Academic Status:

Associate Professorship: Istanbul Zeynep Kamil Obstetrics and Gynaecology Training and Research Hospital (2016) Associate Professorship University of Health Sciences, Hamidiye Faculty of Medicine, Zeynep Kamil Women and Child Diseases Training and Research Hospital (2019) Professorship Staff: University of Health Sciences, Hamidiye Faculty of Medicine, Zeynep Kamil Women and Child Diseases Training and Research Hospital (2022) Üsküdar University Faculty of Medicine (2023-present)

Education Status: 

University: Istanbul University Cerrahpaşa Faculty of Medicine (1988 – 1994) (First in Term) Speciality: Gynaecology and Obstetrics, Istanbul Zeynep Kamil Gynaecology and Paediatrics Training and Research Hospital (1994 – 1998) (Medical Speciality Thesis: Perinatal morbidity and mortality in severe preeclamptic and eclamptic pregnant women, Thesis Advisor: Op. Dr. Bülent Tandoğan, 1998) IVF Speciality Training: Istanbul Zeynep Kamil Gynaecology and Paediatrics Training and Research Hospital, IVF Unit (2008-2009) IVF Refresher Training: Istanbul Zeynep Kamil Gynaecology and Paediatrics Training and Research Hospital, IVF Unit (2012)

Professional experience: 

Inebolu State Hospital, Gynaecology and Obstetrics Clinic (1999-2001) Zeynep Kamil Women and Children’s Diseases Training and Research Hospital, Gynaecological Endoscopy Clinic (2001-2015) Zeynep Kamil Women and Child Diseases Training and Research Hospital, IVF Unit (2015-2022) Memorial Ataşehir Hospital, IVF Unit (2022-present) (Unit Supervisor)

Professional experience abroad: 

St Mary’s Hospital, London, England (1996 -1997)

Medical speciality theses supervised:

1. Comparison of ultrasonography, hysterosonography and hysteroscopy methods used to detect endometrial pathologies in postmenopausal bleeding cases not receiving HRT, Zeynep Kamil Women and Children’s Diseases Training and Research Hospital, Dr Turhan Aran, Istanbul-2004.
2. Comparison of clomiphene citrate and gonadotropins in ovulation induction in infertile women with polycystic ovary syndrome, Zeynep Kamil Women and Children Training and Research Hospital, Dr Yeliz Akçelik, Istanbul-2008.
3. Comparison of transvaginal ultrasonography, sonohysterography and diagnostic hysteroscopy and histopathological findings in patients with abnormal uterine bleeding in premenopausal period. Zeynep Kamil Women and Children’s Diseases Training and Research Hospital, Dr Suna Soğuktaş, Istanbul-2008.
4. Evaluation of the efficacy of postmenopausal antiresorptive therapy with serum Crosslaps. Zeynep Kamil Women’s and Children’s Diseases Training and Research Hospital, Dr Murat Arslan, Istanbul-2009.
5. Efficacy of Cicatridina in postmenopausal atrophic vaginitis. Zeynep Kamil Women’s and Children’s Diseases Training and Research Hospital, Dr Özge Karaosmanoğlu, Istanbul-2009.
6. The relationship between body mass index, diabetes mellitus and hypertension in endometrial polyp development. Zeynep Kamil Women’s and Children’s Diseases Training and Research Hospital, Dr Esra Serhat, Istanbul-2009.
7. The effect of sperm morphology on clinical outcomes of ICSI cycles. Zeynep Kamil Obstetrics and Gynaecology Training and Research Hospital, Dr Bahar Sarıibrahim, Istanbul-2010.
8. The effect of elective cervical cerclage on pregnancy outcomes. Zeynep Kamil Gynaecology and Paediatrics Training and Research Hospital, Dr Canan Tepekaya, Istanbul-2010.
9. The effect of polyp diameter on pregnancy outcomes in ICSI cases with hysteroscopic endometrial polyp resection. Zeynep Kamil Women and Children’s Diseases Training and Research Hospital, Dr Şerife Tuğba Kahraman, Istanbul-2011.
10. Comparison of maternal and neonatal outcomes of vaginal delivery after caesarean section and caesarean section in subsequent pregnancy in patients with a previous caesarean section. Zeynep Kamil Women and Children’s Diseases Training and Research Hospital, Dr Pırıl Gizem İzbudak Uzun, Istanbul-2018.
11. The effect of sperm morphology on pregnancy outcomes in patients undergoing intrauterine insemination (IUI) and intracytoplasmic sperm injection (ICSI) in unexplained infertility cases, Health Sciences University -Zeynep Kamil Women and Children’s Diseases Training and Research Hospital, Tuğba Nur Çim Çolak, Istanbul-2021.
12. The effect of body mass index on ICSI results in unexplained infertile patients, University of Health Sciences Zeynep Kamil Gynecology and Paediatrics Training and Research Hospital, Zeynel Abidin Özdil, Istanbul- 2021.

Memberships to Scientific Organisations: 

•  Turkish Gynaecology and Obstetrics Society
•  Society of Reproductive Medicine and Surgery
•  IVF and Infertility Association (TÜBİD)
•  Gynaecological Endoscopy Society
• Pelvic Pain and Endometriosis Association
•  Turkish Urogynecological and Pelvic Reconstructive Society

Awards 

• Commendation, Istanbul Governorship, Provincial Directorate of Health, 2010

Administrative Duties 

1. Zeynep Kamil Women and Children’s Diseases Training and Research Hospital Gynaecology Clinic Quality Representative (2009-2011)
2. Zeynep Kamil Women and Child Diseases Training and Research Hospital, Hospital Internal Audit Auditor (2010)
3. Zeynep Kamil Obstetrics and Gynaecology Training and Research Hospital, IVF Medical Board Membership (2015, 2020)
4. Zeynep Kamil Women and Child Diseases Training and Research Hospital, Scientific Publication Evaluation Commission membership (2016-2022)
5. Supervision of Assisted Reproductive Treatment Centres, Auditing doctor (2016-2022)
6. Zeynep Kamil Obstetrics and Gynaecology Training and Research Hospital, Gynaecology and Obstetrics Health Board Membership (2018)
7. Blood Transfusion Committee Member, Istanbul Zeynep Kamil Women and Child Diseases Training and Research Hospital (2020-2022)
8. Unit Academic Incentive Commission Member, University of Health Sciences (2020 – 2021)

Articles published in international refereed journals

1. Cogendez E, Kumru P, Soysal S, Ozkaya E, Devranoglu B, Tozkir E, Sanverdi I. Evaluation of psychological distress in infertile women who underwent ART cycle during the COVID-19 pandemic. Gynecology Obstetrics & Reproductive Medicine. 2023;29(1):54-62.
2. Cogendez E, Ozkaya E, Eser AÇ, Eken M, Karaman A. Can FMR1 CGG repeat lengths predict the outcome in ICSI cycles? Gynaecol Pol. 2022;93(9):735-741.
3. Kumru P, Merih YD, Özdemir M, Akalin M, Cogendez E. Expectations of pregnant women for antenatal care services and factors affecting anxiety severity during the COVID-19 pandemic Ginekol Pol 2022;93(2):142-150.
4. Alanya ST, Ozkaya E, Aru B, Yanikkaya DG, Cogendez E, Sipahi M. Does LH supplementation in poor responders affect granulosa cells apoptosis rate in ART? A prospective randomised controlled trial. Journal of Obstetrics and Gynaecology 2022:42(1), 133-138.
5. Kumru P, Hidiroglu S, Cogendez E, Ayvaci H, Yilmazer B, Erol H, Demirci O, Ay P. Does asymptomatic/uncomplicated SARS-CoV-2 infection during pregnancy increase the risk of spontaneous preterm birth? Ginekol Pol. 2022 Sep 22. doi: 10.5603/GP.a2022.0084.
6. Ayvacı TH, Adanas AG, Cakar E, Usal TN, Cogendez E, Ozkaya E, Bicer C, Erel Ö. The Predictive Value of First-trimester Thiol/Disulfide Homeostasis in Preeclampsia. J Coll Physicians Surg Pak 2021:31(4), 405-409.
7. Nacak GB, Tozkır E, Ozkaya E, Cogendez E, Kaya F. Comparison of hCG Versus Gonadotropin-Releasing Hormone Agonist to Induce Oocyte Maturation in Assisted Reproductive Technology Cycles: A Retrospective Cohort Study. Gynecology Obstetrics & Reproductive Medicine 2021: 27(2), 143-149.
8. Izbudak G, Tozkir E, Cogendez E, Uzun F, Eser SK. Comparison of maternal-neonatal results of vaginal birth after cesarean and elective repeat cesarean delivery. Ginekologia Polska 2021:92(4), 306- 311.
9. Ozkaya E, Cogendez E, Tozkır E, Ünsal S, Yavuz A, Tunali G Uzun Ö, Bostanci EE, Eser SK. Comparison of Cycle Outcomes Among Women with Endometrioma or Nonfunctional Cysts Versus Control. Gynecology Obstetrics & Reproductive Medicine 2021:27(3), 254-258.
10. Kumru P, Cogendez E, Bulutlar E, Başkılıç N, Yollu T, Karakuş R, Kayatas S. Maternal death due to COVID-19: is there anything that changed during the treatment? Perinatal Journal 2021;29(2):173-178.
11. Angın Ali Doğukan, Cogendez E, Gün İ, Sakin Ö, Çıkman MS, Kayhan B, Orçun KA, Alan Y, Alan M, Beyan E. The Effect of Dehydroepiandrosterone on Ovarian Reserve in Ovarian Damage Caused by Methotrexate. Medical Laboratory Technology Journal 2020;6(1):65-77.
12. Cakar E, Tasan HA, Kumru P, Cogendez E, Usual NT, Kutlu T, Ozkaya E, Eser SK. Combined use of oestradiol and progesterone to support luteal phase in support antagonist intracytoplasmic sperm injection cycles of normoresponder women: a case-control study. Journal of Obstetrics and Gynaecology, 2020: 40(2), 264-269.
13. Kilicci C, Cogendez E, Kumru P, Bostanci Ergen E, Koc N, Abide Yayla C. Cytological assessment of endometrial washings obtained with Karman cannula using a liquid-based preparation method for the detection of endometrial pathologies. Arch Gynecol Obstet 2018 Jul;298(1):171-177.
14. Yayla Abide C, Bostanci Ergen E, Cogendez E, Kilicci C, Uzun F, Ozkaya E, Karateke A. Evaluation of complete blood count parameters to predict endometrial cancer. J Clin Lab Anal. 2018 Mar 31: e22438.
15. Cakar E, Yavuz MM, Kutlu T, Tasan HA, Cogendez E, Nacak GB, Ozkaya E, Eser SK. IVF versus spontaneous singleton pregnancies fetal and maternal outcomes in a tertiary care hospital. International Journal of Medical Science and Clinical Invention 5(03): 3583-3587, 2018.
16. Sanverdi I, Kilicci C, Cogendez E, Abide Yayla C, Ozkaya E. Utility of complete blood count parameters to detect premature ovarian insufficiency in cases with oligomenorrhea/amenorrhea. J Clin Lab Anal. 2018 Jun;32(5):e22372.
17. 17.Eken M, Uğurlucan FG, İlhan G, Cogendez E, Devranoğlu B, Keyif B, Turfanda A. Comparison of office hysteroscopy and dilatation & curettage regarding patient comfort, efficacy and quality of life in patients suffering from menorrhagia:prospective randomized study Clin Exper Obstet  Gynecol 2017;44 (4):599-604.
18. Eken M, Kaygusuz EI, Temizkan O, İlhan G, Cogendez E, Karateke A. Occult serous carcinoma of fallopian tube presenting as supraclvicular lymphadenopaty. Taiwan Association of Obstetrics and Gynecology 2016;55:450-52.
19. Eken M, Senol T, Kaygusuz EI, Erekul T, Cogendez E, Karakuş, Karateke A. Bilateral ovarian leiomyoma in postmenopausal women: A case report. 2015 doi:10.7727 /wimj.2015.237
20. Eken M, Kaygusuz EI, İlhan G, Devranoğlu B, Cogendez E, Keyif B, Karateke A. Endometrial malignancies arising on endometrial polyps and precursors lesions EJGO 2016;37(6):827-832.
21. Ertekin AA, Kapudere B, Eken MK, İlhan G, Dırman Ş, Sargın MA, Deniz E, Karatekin G, Cogendez E, Api M. Does aggressive and expectant management of severe preeclampsia affect the neurologic development of the infant? Int J Clin Exp Med. 2015; 8(10): 19325–31.
22. Eken M, Temizkan O, Kaygusuz EI, Herkiloğlu D, Cogendez E, Karateke A. Primary carcinoma of the fallopian tubes: Analysis of 16 patients. J Turk Soc Obstet Gynecol 2015:2:74-80.
23. Kahraman ST, Cogendez E, Eken MK, Ersoy GS, Ilhan G, Keyif B. The effect of the endometrial polyps on pregnancy rates in intracytoplasmic sperm injection cyles. Clin Exper Obstet Gynecol 2016;43(4):588-91.
24. Cogendez E, Eken MK, Bakal N, Gun I, Kaygusuz EI, Karateke A. The Role of Transvaginal Power Doppler Ultrasound in the Differential Diagnosis of Benign Intrauterine Focal Lesions. J Med Ultrasonics 2015;42(4):533-40.
25. Serhat E, Cogendez E, Selcuk S, Asoglu MR, Arioglu PF, Eren S. Is there a relationship between endometrial polyps and obesity, diabetes mellitus, hypertension? Arch Gynecol Obstet 2014 Nov;290(5):937-41.
26. Asoglu MR, Selcuk S, Cam C, Cogendez E, Karateke A. Effects of urinary incontinence subtypes on women’s quality of life (including sexual life) and psychosocial state. Eur J Obstet Gynecol Reprod Biol.2014:176:187-90.
27. Sariibrahim B, Cogendez E, Kayatas S, Asoglu MR, Koleli I, Bakir L. Does Kruger’s strict criteria have prognostic value in predicting ICSI clinical results? Clin Exp Obstet Gynecol 2013;40(2):257-60.
28. Temel O, Cöğendez E, Selçuk S, Asoğlu MR, Kaya E. β-human chorionic gonadotropin assay in vaginal washing fluid for the accurate diagnosis of premature rupture of membranes during late pregnancy. J Turk Ger Gynecol Assoc 2013:14:201-4.
29. Soguktas S, Cogendez E, Kayatas SE, Asoglu MR, Selcuk S, Ertekin A. Comparison of saline infusion sonohysterography and hysteroscopy in diagnosis of premenopausal women with abnormal uterine bleeding. Eur J Obstet Gynecol Reprod Biol. 2012;161(1):66-70.
30. Sanverdi I, Cogendez E, Akdemir Y. Laparoscopic management of ovarian pregnancies: three cases. Gineco-ro. 2011;7: 200-3.
31. Karaosmanoglu O, Cogendez E, Sozen H, Asoglu MR, Akdemir Y, Eren S. Hyaluronic acid in the treatment of postmenopausal women with atrophic vaginitis. Int J Gynaecol Obstet. 2011 May;113(2):156-7.
32. Cogendez E, Dolgun ZN, Sanverdi I, Turgut A, Eren S. Post-abortion hysteroscopy: a method for early diagnosis of congenital and acquired intrauterine causes of abortions. Eur J Obstet Gynecol Reprod Biol. 2011;156(1):101-4.
33. Kayataş SE, Eser M, Cam C, Cogendez E, Guzin K. Acute pancreatitis associated with hypertriglyceridemia: a life-threatening complication. Arch Gynecol Obstet. 2010;281(3):427-9.
34. Gurleyig E, Celik C, Ersan F, Oral O. Infertility and chronic pelvic pain due to retained fetal bone fragments. Eur J Obstet Gynecol Reprod Biol. 2008;140(1):133-4.

Articles published in national refereed journals

1. Çiğdem Yayla Abide, Belgin Devranoğlu, Nurullah Peker, Ebru Çöğendez, Pınar Kumru. Does detection of follicle rupture affect success in intrauterine insemination cycles? A tertiary center experience. Zeynep Kamil Med J. 2023; 54(1): 1-6.
2. Devranoğlu B, Aras A, Reis D, Tozkır E, Kumru P, Özkaya E, Şanverdi İ, Çöğendez E, Peker N. Can systemic inflammatory markers predict sperm retrieval with the micro-TESE procedure in patients with non-obstructive azoospermia? Zeynep Kamil Med J. 2022; 53(4): 176-182.
3. Arif Aktug Ertekin, Ebru Cogendez, Erhan Uncu, Erbll Cakar, Nazan Tarhan and Habibe Ayvaci. A desmoid tumor in pregnancy mimicking subcutaneous endometriosis; a case report. J Ist Faculty Med 2022;85(1):136-8.
4. Tosun Ö, Eredemoğlu M, Çöğendez E. Investigation of Plasminogen Activator Inhibitor-1 (PAI-1) 4G/5G gen polymorphism in Turkish preeclamptic patients. Zeynep Kamil Med J 2021:52(2), 61-66.
5. Turan H, Bütün Z, Erdoğan S, Çöğendez E, Kaya E. Comparing the first trimester and second trimester fifty grams oral glucose tolerance test values in gestational diabetes mellitus. Zeynep Kamil Med J 2021:52(1), 1-9.
6. Karakuş R, Özkaya E, Tayyar AT, Yıldırım D, Çöğendez E. Comparison of the Effect of Two Different Routes of Hysterectomy Surgeries on the Pulmonary Function: Laparoscopic Versus Abdominal. Zeynep Kamil Med J 2020:51(4), 216-220.
7. Abide C, Cogendez E, Kumru P, Keskin M, Ergen E, Kiliçci C. The relationship between first trimester fetal head butt distance and birth weight. BMJ 2018;2(1):40-50.
8. Abide C, Cogendez E, Kumru P, Ergen E, Kilicci C. The relationship between cigarette dose used during pregnancy and maternal and fetal outcomes. Zeynep Kamil Medical Bulletin 2018;49(1):31.35.
9. Arslan M, Çöğendez E, Eken M, Arıoğlu PF, Eren S. Serum beta crosslaps as a predictor for osteoporosis in postmenopausal women. İst Tıp Fak Derg 2015; 78(2):36-40.
10. Temizkan O, Çöğendez E, Şanverdi İ, Temizkan Ş, Kutlu T, Ayhan I, Arıcı B, Aşıcıoğlu O. The effect of estradiol and prolactin levels on embryo quality and pregnancy outcomes during human chorionic gonadotropin day in ICSI/ET cycles down regulated with GnRH agonist or antagonist. Şişli Etfal Hospital Medical Bulletin 2015;49(3):174-80.
11. Akçelik Y, Cöğendez E, Silfeler DB, Eken M, Karakaya S. Comparison of Clomiphene Citrate and Low Dose Recombinant FSH for Induction of Ovulation in Infertile Women with Polycystic Ovary Syndrome. Turkiye Klinikleri J Gynecol Obst 2015;25(1):19-26.
12. Erdoğan S, Çöğendez E, Eken M, Keyif B, Erdoğan B, Kaya E. Factors Affecting Pregnancy Rates in Infertile Patients Receiving Controlled Ovulation Induction and Intrauterine Insemination Therapy. IKSST Derg 2015;7(1):1-7.
13. Ersoy GŞ, Eken M, Öztekin D, Çöğendez D, Çöğendez E, Eroğlu M. Conversion rates of the papers presented in the field of reproductive endocrinology and infertility at the national gynaecology and obstetrics congress into international publications. Zeynep Kamil Medical Bulletin 2015;46(2):63-68.
14. Şahandar T, Eken M, Dönmez EE, Çöğendez E, Şenol T, Eroğlu M. Evaluation of cases in which myomectomy was performed during caesarean section. Zeynep Kamil Medical Bulletin 2015; 46 (3): 95-99.
15. Eken M, Çöğendez E, Temizkan O, Ersoy GŞ, Bütün Z, Tuğrul S. Evaluation of the Use of 17 Hydroxyprogesterone Caproate in Patients Undergoing Cervical Cerclage for Prevention of Preterm Labour. IKSST Derg 2015;7(2):53-57.
16. Kaygusuz E, Eken M, Herkiloğlu D, Çöğendez E, Karateke A. Uterine carcinosarcomas: Histopathological review in 18 cases. Ist Tıp Fak Derg 2015;78(1):1-5.
17. Eken M, Kaygusuz EI, Ersoy GŞ, Çöğendez E, Herkiloğlu D, Karateke A. Evaluation of endometrial findings in granulosa cell tumours of the ovary. Ist Tıp Fak Derg 2014; 77(4):55-59.
18. Eken M, Angin D, Kaygusuz E, Çöğendez E, Polat M, Herkiloğlu D, Karateke A. Sertoli Leydig Cell Tumour: Report of four cases and review of the literature. Turkish Journal of Gynaecological Oncology 2014; 3:109-112.
19. Aktas RG, Altunkaynak ME, Tunalı G, Arat N, Sofuoğlu K, Çöğendez E, Kutlu T, Devranoglu B, Ankaralı H. The effect of laser shingles thinning method on pregnancy rates in patients with a history of failed implantation. Maltepe Medical Journal, 2014;6(2):1-7.
20. Çöğendez E, Şenol T, Eken M, Polat M, Özdemir A, Eroğlu M. Comparison of the clinical efficacy of Trospium Chloride and Tolterodine in the treatment of overactive bladder. Zeynep Kamil Medical Bulletin 2014; 45:160-64.
21. Çöğendez E, Anğın AD, Eken M, Polat M, Herkiloğlu D, Karateke A. Cervical leiomyoma prolapse after vaginal delivery. Türkiye Klinikleri J Gynecol Obst 2015;25(2):138-40.
22. Kayatas S, Çöğendez E, Arınkan SA, Yavuz H, Kaygusuz EI. Abdominal wall endometriosis after caesarean section: A report of two cases. Göztepe Medical Journal 2013;28(4):228-232.
23. Çöğendez E, Aran T, Çam Ç, Karateke A. The Comparison of Diagnostic Modalities in Patients with Postmenopausal Uterine Bleeding. Gynecol Obstet Reprod Med 2009;15(2):89-93.
24. Çöğendez E, Eskiçırak E, Altınkaş K, Alkan A, Eren S. Late Interval Labour in Twin Pregnancy. Türkiye Klinikleri J Gynecol Obst 2008;18(3):210-2.
25. Çöğendez E, Soğuktaş S, Altınkaş K, Alkan A, Eren S. Routine use of diagnostic hysteroscopy in infertile patients. Zeynep Kamil Medical Bulletin 2008;39(3):111-5.
26. Tandoğan B, Gürleyiğ E, Uçar U, Ayvacı H, Daycıoğlu V. The effect of occiput posterior presentation on obstetric prognosis and postpartum neurodevelopmental process. Zeynep Kamil Medical Bulletin 2008;39(2):45-49.
27. Gürleyiğ E, Şanverdi İ, Kutlu T, Muyir R, Eren S. Laparoscopic management of benign adnexal masses. Haydarpaşa Numune Training and Research Hospital Medical Journal 2007;47(4):469-73.
28. Tandogan B, Çöğendez E, Oral Ö. Maternal and fetal effects of intravenous Nimodipine in severely preeclamptic pregnant women. Zeynep Kamil Medical Bulletin 2007;38(3):105-9.
29. Kutlu T, Aran T, Oral Ö, Gürleyiğ E, Altınkaş K, Önal G. Molar pregnancy in perimenopausal period. Haydarpaşa Numune Training and Research Hospital Medical Journal 2007;47(1):275-7.
30. Gürleyiğ E, Kutlu T, Altınkaş K, Önal G, Oral Ö. Our General Hospital Experience in the Management of Ectopic Pregnancy: Factors Affecting the Surgeon in Treatment Selection. Journal of Gynaecology 2006;5(1):1006-9.
31. Çöğendez E, Gürbüz A, Arık H, Arık BZ, Cesur S. Prenatal Ultrasonographic Diagnosis of Congenital Intracranial Teratoma. Turkiye Klinikleri J Gynecol Obst 2004;14(6):332-5.
32. Çöğendez E, Fıçıcıoğlu C, Yaltı S, Gürbüz B. Surgical Approach to Total Uterine Prolapse Treatment in a Young Patient; Abdominal Sacrocervicopexy and Combined Operations: A Case Report. Turkiye Klinikleri J Gynecol Obst 2004;14(4):224-6.
33. Gürbüz B, Yaltı S, Çöğendez E. Use of GnRh antagonists in IVF cycles. Turkish Fertility Journal 2004;12(4):347-51.
34. Şanverdi İ, Çöğendez E, Tandoğan B, Tuğrul S. Maternal serum magnesium levels in cases of threatened preterm labour. Göztepe Medical Journal 2002; 17:154-6.
35. Fıçıcıoğlu C, İrez T, Çubukcu A, Yaltı S, Gürbüz B, Çöğendez E. The relation of sperm function tests and fertilization failure in invitro fertilization. Zeynep Kamil Tıp Bülteni 2002;33(3):12-4.
36.  Çöğendez E, Tandoğan B, Arık H, Oral Ö. Evaluation of perinatal morbidity and mortality in severe pre-eclamptic-eclamptic pregnant women. Zeynep Kamil Medical Bulletin 2002;33(2):12-4.
37. Fıçıcıoğlu C, Çöğendez E. Laparoskopik salpingo-ovariolizis. Zeynep Kamil Tıp Bülteni 2002;33(2):20-1.
38. Taşdemir S, Taşdemir M, Fıçıcıoğlu C, Özden S, Yaltı S, Alpay Z, Çöğendez E, Cantekin D. Live ectopic pregnancy on tuba of a rudimentary uterine horn. Zeynep Kamil Tıp Bülteni 1998; 30:1-2.
39.  Oral Ö, Ulusal Z, Tandoğan B, Aktürk Z, Özarpacı C, Cogendez E. The role of serum Ca-125 levels in the differentiation of endometriomas from other benign ovarian cysts. Zeynep Kamil Medical Bulletin 1998; 30:1-2
40.  Oral Ö, Aktürk Z, Tandoğan B, Akın M, Özarpacı C, Cogendez E. The effect of gestational diabetes on fetal mortality and comparison of patients with and without follow-up. Zeynep Kamil Medical Bulletin 1998; 30:1-2.

Authored national/international books or chapters in books

1. Book chapter authorship: Gynaecological Laparoscopy, Clinical Applications and Current Approaches, 2011, (Editors Prof. Dr. Özay Oral, Op. Dr. Furkan Kayabaşoğlu) Chapter 14: Adnexal masses and Laparoscopy, 141-160.
2. Book chapter translation: Ultrasound in Obstetrics and Gynaecology, Volume 2: Gynaecology, 2008, Eberhard Merz (Translation Editor Prof. Dr. Selçuk Özden) Chapter 28: Ovarian Masses pages 148-16
3. Book chapter authorship: Reproductive Endocrinology Techniques and Surgery, Chapter name: (Müllerian Canal Anomalies) (2018). Çöğendez E, Nobel Tıp Kitabevi, Editor: Recai Pabuçcu, Cem Fıçıcıoğlu, Bülent Baysal, Edition no: 1, ISBN: 978-605-335-341- 6, Turkish (Scientific Book)
4. Book chapter authorship: Health Sciences University Hamidiye Medical Faculty Student Lecture Notes Gynaecology and Obstetrics. 2021, Galenos Publishing House, Editor: Prof. Dr. Erdoğan Çetinkaya, Chapter name: Pelvic Masses; pages 58-61. ISBN: 978-605-06264-7-6

Papers presented at international scientific meetings and published in proceedings book

1.Özgür Aktaş, Elif Tozkır, Mikail Özdemir, Ebru Çöğendez. Evaluation of the attitudes and psychological status of physicians working in the Gynaecology and Obstetrics Clinic during the Covid-19 pandemic. 40th National and 1st International Zeynep Kamil Gynaeco-Pathology Congress “Endometriosis and Adenomyosis from Diagnosis to Treatment” 9-11 June 2022.SS-24 2.Pınar Kumru, Seyhan Hıdıroğlu, Ebru Çogendez, Habibe Ayvacı Taşan, Betül Yılmazer, Hümeyra Erol, Oya Demirci, Pınar Ay. The status of receiving routine antenatal health care services of pregnant women in the pandemic and their concerns about pregnancy and postpartum periods. 40th National and 1st International Zeynep Kamil Gynaeco-Pathology Congress “Endometriosis and Adenomyosis from Diagnosis to Treatment” 9-11 June 2022.SS-04 3.Pınar Kumru, Seyhan Hıdıroğlu, Ebru Çögendez, Habibe Ayvacı Taşan, Betül Yılmazer, Hümeyra Erol, Oya Demirci, Pınar Ay. Women giving birth in the pandemic; pregnancy, birth, postpartum period and COVID-19 information sources. 40th National and 1st International Zeynep Kamil Gynaeco-Pathology Congress “Endometriosis and Adenomyosis from Diagnosis to Treatment” 9-11 June 2022.SS-03. 4.Mehmet Alp Kalabalık , Ahliman Hagverdiyev, Vugar İmamaliyev, Ömer Said Gültekin, Gökhan Çapar, Abdurrahman Muhemet, Ebru Çöğendez. The effect of endometrioma and bilaterality on ICSI cycle results in patients with endometriosis. II. III. National Congress of Holistic Approach to Medicine with International Participation, 28-29 May 2022 5.Faik Uzun, Elif Tozkir, Ebru Cogendez, Mehmet Ceyhan. Flushıng the endometrial cavity with follicular fluid ın unexplained ınfertıle women undergoing ICSI. TSRM 2018 Uluslararası üreme sağlığı ve infertilite kongresi.8-11 Kasım 2018 SB-091. 6.Sebnem Alanya Tosun, Enis Ozkaya, Basak Aru, Gulderen Yanikkaya Demirel, Ebru Cogendez, Mehmet Sipahi. Does LH supplementation in poor responders affect granulosa cell apoptosis rate in ART? Fertil Steril Vol. 112, No. 3, Supplement, September 2019. 7.B. Devranoglu, H. Bozdag, E. Özkaya, Ç. Yayla Abide, E. Çöğendez, E. Tozkır, E. Darici. None of The Parameters of Bologna and Poseidon Criteria Has a Significant Impact on Pregnancy Rates. 36th Virtual Annual Meeting of the European Society of Human Reproduction and Embryology ESHRE 2020, 5 to 8 July 2020.  P-549.

Papers presented at national scientific meetings and published in proceedings book 

1. Çitgez F, Eken M, Api M, Tan T, Temizkan O, Çöğendez E, Karateke A. The role of HE4 in the differential diagnosis of adnexal masses. 12th Uludağ Gynaecology and Obstetrics Winter Congress 5-8 March 2015, Karinna Hotel- Uludağ.
2. Eken M, Temizkan O, Kaygusuz EI, Herkiloğlu D, Ayas S, Çöğendez E, Karateke A. Primary fallopian tube carcinoma: Analysis of 16 patients. 12th Uludag Gynaecology and Obstetrics Winter Congress 5-8 March 2015, Karinna Hotel- Uludag.
3. Eken M, Temizkan O, Kaygusuz EI, İlhan G, Herkiloğlu D, Çöğendez E, Karateke A. Presentation of supraclavicular lymadenopathy in primary tubal carcinom: A rare case report. 12. Uludağ Jinekoloji ve Obstetri Kış Kongresi 5-8 Mart 2015, Karinna Otel- Uludağ.
4. Temizkan O, Çöğendez E, Şanverdi İ, Kutlu T, Eken M. The effect of estradiol and prolactin levels on embryo quality and pregnancy outcomes in ICSI/ET cycles down-regulated with GnRH agonist or antagonist. 12th Uludag Gynaecology and Obstetrics Winter Congress 5-8 March 2015, Karinna Hotel- Uludag.
5. Kaygusuz EI, Eken M, Herkiloğlu D, Çöğendez E, Temizkan O. Karateke A. Endometrial malignancies and precursor lesions developed on endometrial polyp. 12th Uludag Gynaecology and Obstetrics Winter Congress 5-8 March 2015, Karinna Hotel- Uludag.
6. Kaygusuz EI, Eken M, Çetiner H, Çöğendez E, Herkiloğlu D, Karateke A. Examination of endometrial histoptological findings in granulosa cell tumours of the ovary in the light of the literature. 14th National Congress of Gynaecological Oncology 19-23 November 2014, Titanic Deluxe Hotel, Belek, Antalya.
7. Kaygusuz EI, Eken M, Çetiner H, Çöğendez E, Polat M, Herkiloğlu D, Karateke A. Atypical stromal cells in endometrial hyperplastic polyp: A rare case report. 14th National Congress of Gynaecological Oncology 19-23 November 2014, Titanic Deluxe Hotel, Belek, Antalya.
8. Aydın H, Polat M, Eken M, Çöğendez E, Herkiloğlu D, Anğın D, Sofuoğlu K. Evaluation of the effect of semen parameters on IVF results in cases of unexplained infertility and mild male infertility. 6th National Reproductive Endocrinology and Infertility Congress. 6-9 November 2014, Maxx Royal Hotel- Antalya.
9. Ersoy GŞ, Eken M, Çöğendez E. The conversion rates of the papers presented in the field of reproductive endocrinology and infertility at the National Gynaecology and Obstetrics Congress into international publications. 6th National Congress of Reproductive Endocrinology and Infertility. 6-9 November 2014, Maxx Royal Hotel- Antalya.
10. Galandarov R, Eken M, Çöğendez E, Herkiloğlu D, Turfanda A, Ersoy GŞ. Evaluation of ovarian reserve in hysterectomised cases. 6th National Reproductive Endocrinology and Infertility Congress. 6-9 November 2014, Maxx Royal Hotel- Antalya.
11. Kaygusuz Işık E, Eken M, Polat M, Çetiner H, Çöğendez E, Karateke A. Evaluation of a case of mitotic active cellular fibroma operated in our clinic. 12th National Gynaecology Obstetrics Congress 15-19 May 2014, Rixos Sungate Hotel, Antalya.
12. Eken M, Işık E, Polat M, Çetiner H, Çöğendez E, Karateke A. Clinical and histopathological evaluation of leiomyosarcoma cases operated in our clinic. 12th National Gynaecology Obstetrics Congress 15-19 May 2014, Rixos Sungate Hotel, Antalya.
13. Eken M, Işık E, Polat M, Şenol T, Çöğendez E, Herkiloğlu ED, Karateke A. Clinical and histopathological evaluation of granulosa cell tumour cases operated in our clinic. 12th National Gynaecology Obstetrics Congress 15-19 May 2014, Rixos Sungate Hotel, Antalya.
14. Kayataş S, Arpacı R, Kahraman ST, Çöğendez E, Eren S. Evaluation of diagnostic and operative hysteroscopies performed in Zeynep Kamil Training and Research Hospital. 29th Gynaeco-Pathology Congress 8-10 June 2011, Istanbul.
15. Çöğendez E, Kahraman S, Arpacı R, Abide Ç, Eren S. Endometrial polyp localisation and pregnancy rate in infertile cases. 29th Gynaeco-Pathology Congress 8-10 June 2011, Istanbul.
16. Şanverdi İ, Çöğendez E, Baykal B, Sözen H, Akdemir Y, Eren S. Pelvic pain due to foreign body and removal of foreign body by laparoscopic surgery: A case report. 8th National Gynaecology and Obstetrics Congress. 18-23 May 2010, Su Sesi De Luxe Resort Hotel, Antalya.
17. Karaosmanoğlu Ö, Çöğendez E, Sözen H, Akdemir Y, Asoğlu M, Eren S. Efficacy of hyaluronic acid in the treatment of atrophic vaginitis in postmenopausal period. 8th National Gynaecology and Obstetrics Congress. 18-23 May 2010, Su Sesi De Luxe Resort Hotel, Antalya.
18. Çöğendez E, Kutlu T, Özdemir A, Sofuoğlu K, Aktaş R, Eren S. The effect of testicular spermatozoa use on prognosis in ICSI cycles. 7th National Gynaecology and Obstetrics Congress, 14-19 May 2009, Acapulco Resort Hotel, Kyrenia, TRNC.
19. Sofuoğlu K, Çöğendez E, Kutlu T, Devranoğlu B, Tuğ N. Is serum E2 level on hCG day predictive in determining pregnancy for ICSI-ET? 7th National Gynaecology and Obstetrics Congress, 14-19 May 2009, Acapulco Resort Hotel, Kyrenia, TRNC.
20. Çöğendez E, Kutlu T, Sofuoğlu K, Devranoğlu B, Çetinkaya T. Prognostic importance of endometrial thickness in ICSI cycles. 7th National Gynaecology and Obstetrics Congress, 14-19 May 2009, Acapulco Resort Hotel, Kyrenia, TRNC.
21. Aktaş RG, Altunkaynak E, Arat N, Tunalı G, Sofuoğlu K, Çöğendez E, Kutlu T, Çetinkaya T, Devranoğlu B, Tuğ N, Ankaralı H. Effects of laser use before embryo transfer on pregnancy outcomes: A comparative retrospective study. 7th National Gynaecology and Obstetrics Congress, 14-19 May 2009, Acapulco Resort Hotel, Kyrenia, TRNC.
22. Akçelik Y, Çöğendez E, Karakaya S, Özbaşlı E, Eren S. Comparison of clomiphene citrate and gonadotropins in ovulation induction in polycystic ovary syndrome. 7th National Gynaecology and Obstetrics Congress, 14-19 May 2009, Acapulco Resort Hotel, Kyrenia, TRNC.
23. Çöğendez E, Aran T, Karateke A, Eren S. Comparison of transvaginal ultrasonography, saline infusion sonography and hysteroscopy in cases with postmenopausal uterine bleeding. 6th National Gynaecology and Obstetrics Congress, 14-19 May 2008, Su Sesi De Luxe Hotel, Antalya.
24. Şanverdi İ, Çöğendez E, Altınkaş K, Alkan A, Eren S. Ovarian pregnancy: A case report. 6th National Gynaecology and Obstetrics Congress, 14-19 May 2008, Su Sesi De Luxe Hotel, Antalya.
25. Soğuktaş S, Çöğendez E, Boybek E, Ünal A, Ertekin A. Diagnostic value of transvaginal ultrasonography, saline infusion sonography and hysteroscopy in the evaluation of abnormal uterine bleeding. 6th National Gynaecology and Obstetrics Congress, 14-19 May 2008, Su Sesi De Luxe Hotel, Antalya.
26. Eskiçırak E, Ayas S, Altınkaş K, Çetinkaya T, Kutlu T, Şanverdi İ, Çöğendez E, Baykal B, Yenidede İ, Alkan A, Eren S. Operative hysteroscopy: Analysis of 304 cases. 6th National Gynaecology and Obstetrics Congress, 14-19 May 2008, Su Sesi De Luxe Hotel, Antalya.

Courses Attended:

1. Laparoscopic Gynecology training on swine model, CCI HADYEK Certificate of Participation, 8 September 2022, Istanbul
2. Medical Speciality Education Trainer Training and Assessment Course, 15-16 February 2020, Istanbul.
3. Emergency Obstetric Care Clinician Training, 2018, Istanbul
4. Laparoscopic Surgery Course, Society for the Protection of Reproductive Health, 23-24 June 2014, Istanbul.
5. V. Gynaecological Microsurgery Course, Reproductive Medicine Society and Reproductive Medicine Surgical Education, Research and Practice Foundation, 07-08 June 2014, Istanbul.
6. ‘Post Graduate Course: Laparoscopic Hysterectomy’, Turkish Society of Gynecological Endoscopy(TSEG), April 6, 2011, Istanbul.
7. Laparoscopic Suturing Course, Bahçeci Clinic and Istanbul Surgical Hospital, 3-4 June 2010, Istanbul.
8. Clinical Practice Course in Assisted Reproductive Treatment Methods Training Centre, T.C. Ministry of Health General Directorate of Treatment Services, 04.08.2008-04.02.2009, Zeynep Kamil Women and Children’s Diseases Training and Research Hospital, Istanbul.
9. Optimisation of Results of Assisted Reproductive Technologies Course, Reproductive Health and Infertility Association, 15 October 2008, Antalya.
10. ‘Publication of Research Results Training Meeting’ within the Scope of Clinical Research and Evidence-Based Medicine Workshop, Merck Serono, 9 March 2008, Istanbul.
11. ‘Advanced Statistical Analysis Training Meeting’ within the scope of Clinical Research and Evidence Based Medicine Workshop, Merck Serono, 8 March 2008, Istanbul.
12. ‘Introduction to Statistical Analysis and Intermediate Statistical Analysis Training Meeting’ within the scope of Clinical Trials and Evidence Based Medicine Workshop, Merck Serono, 24 February 2008, Istanbul.
13. ‘Overview of Research in Medicine Training Meeting’ within the scope of Clinical Research and Evidence-Based Medicine Workshop, Merck Serono, 23 February 2008, Istanbul.
14. Urogynecology Course, Turkish Gynaecology and Obstetrics Association, 26 February 2005, Istanbul.
15. In early pregnancy ultrasound course, The 11-14 Week Scan, 25 March, 2004, Istanbul.
16. IVF Preparation Course, Kalamış IVF Centre, 15.12.2003, Istanbul.
17. Baby Friendly Hospitals Trainer Training, Istanbul Health Directorate, 9.10.2002, Istanbul.
18. Neonatal Resuscitation Course, General Directorate of Maternal and Child Health and Family Planning, 3-5 April 2002, Istanbul.

Participated in congresses and symposiums:

1. X. Congress of the Society of Reproductive Medicine and Surgery, 1-5 November 2023, Antalya
2. 2nd IVF and Infertility Association Congress, 28 September -1 October 2023, Cyprus.
3. 41st National and 2nd International Zeynep Kamil Gynaeco – Pathology Congress ”Assisted Reproductive Technologies in all aspects” 9-11 June 2023, Istanbul
4. 4th 20th National Gynaecology and Obstetrics Congress, 17-21 May 2023, Cyprus.
5. IXth Congress of Society of Reproductive Medicine and Surgery, 2-6 November 2022, Antalya.
6. 10th National Gynaecological Endoscopy Congress, 7-11 September 2022, Istanbul.
7. 40th National and 1st International Zeynep Kamil Gynaeco – Pathology Congress ”Endometriosis and Adenomyosis from Diagnosis to Treatment” 9-11 June 2022, Istanbul.
8. II. III. National Congress on Holistic Approach to Medicine with International Participation, 28-29 May 2022, Istanbul
9. IVF and Infertility Association Winter Camp, Young Infertilitarians Discuss, 5-6 March 2022, Sapanca.
10. 18th National Gynaecology and Obstetrics Congress, 1-5 December 2021, Antalya
11. VIII. Congress of Society of Reproductive Medicine and Surgery, 28-31 October 2021, Antalya
12. 12.The American Society for Reproductive Medicine ASRM 2021, Baltimore, Maryland, ABD.
13. 8th Acibadem Gynaecology Days, 2020, Istanbul
14. The 75th Scientific Congress, ASRM (American Society for Reproductive Medicine), Philadelphia, PA, USA, 2019
15.  VII. Congress of Society of Reproductive Medicine and Surgery, 2019, Antalya
16.  II. Sleep Days, Women and Sleep Symposium, 3-4 December 2019, Istanbul.
17.  16 Oct 2021 – 20 Oct 2021 16th National Gynaecology and Obstetrics Congress, 9-13 May 2018, Antalya
18.  Istanbul Medeniyet University 2nd Gynaecology and Obstetrics Days, 11 February 2018, Istanbul, Turkey
19.  35th Zeynep Kamil Gynaeco-Pathology Congress, 17-18 November 2017, Istanbul
20.  Health Sciences University Gynaecology Days, 10-11 November 2017, Istanbul, Turkey
21. ASRM 2017 Scientific Congress, October 28- November 1, 2017, San Antonio, USA
22. 19th World Congerss of IVF, October 4-8, 2017, Antalya
23. 25th Europen Congress of Obstetrics and Gynecology, 17-21 May 2017, Antalya
24. 1st Congress of Society of Pelvic Pain and Endometriosis, May 4-6, 2017, İstanbul
25. Istanbul Medeniyet University 1st Gynaecology and Obstetrics Days, 12 February 2017, Istanbul, Turkey
26. 7th National Reproductive Endocrinology and Infertility Congress, 17-20 November 2016, Antalya
27. 5th SEERS 1st GynOnco MIS and Robotic Surgery Congress, December 15-18, 2016.
28. ASRM 2016 Scientific Congress, 17-19 Ekim 2016, Salt Lake City, USA
29. 14th National Gynaecology and Obstetrics Congress, 5-9 October 2016, Antalya
30.  33rd Zeynep Kamil Gynaeco-Pathology Congress, 7-8 November 2015, Istanbul.
31.  12th Traditional Zekai Tahir Burak Days, 12-14 November 2015, Ankara
32. V. Congress of Society of Reproductive Medicine Surgery, 28-31 October 2015, Antalya.
33. 6th National Reproductive Endocrinology and Infertility Congress, 06-09 November 2014, Antalya.
34. Gynaecological Microsurgery Course, Society of Reproductive Medicine and Reproductive Medicine Surgery Education, Research and Application Foundation, Yeditepe University, June 2014, Istanbul
35.  12th National Gynaecology and Obstetrics Congress, 15-19 May 2014, Antalya
36. 6th International Urogynecology Congress, April 26-27, 2014, Istanbul
37. Acibadem Gynaecology Days -2, 18-20 April 2014, Istanbul
38. Innovations in Obstetrics and Gynecology, September 5-8,2013, Istanbul.
39.  The World Congress on Building Consensus out of Contoversies in Gynecology, Infertility and Perinatology. May 30-June 2, 2013, Istanbul.
40.  XXX. Zeynep Kamil Gynaeco-Pathology Congress, ‘ Infertility and Assisted Reproductive Techniques’, 06-08 June 2012, Istanbul.
41.  5th Aegean Gynaecological Endoscopy Symposium, 19-21 April 2012, Izmir.
42.  29th Zeynep Kamil Gynaeco-Pathology Congress, ‘Obstetric bleeding’, 8-10 June 2011, Istanbul.
43. 19th International Pelvic Pain Society Annual Scientific Meeting, 26-29 May 2011, Istanbul.
44. AAGL 5th International Congress on Minimally Invasive Gynecology, 6-10 April 2011, Istanbul.
45. Current Status in Menopause- 2010 Symposium (Turkish Menopause and Osteoporosis Association), 18-19 September 2010, Istanbul.
46.  XXVIII. Zeynep Kamil Gynaeco-Pathology Congress, ‘The Promise in Gynaecology and Obstetrics is in the Young’, 9-11 June 2010, Istanbul.
47. International Symposium on Reproductive Medicine-1, 4-6 June 2010, Istanbul
48. Controversial Issues in Infertility Symposium, April 17-18, 2010, Istanbul.
49. XXVII. Zeynep Kamil Congress, ‘Obstetric Complications and Law’, June 3-5, 2009, Istanbul.
50. 7th National Gynecology and Obstetrics Congress, May 14-19, 2009, Girne, Northern Cyprus.
51. Current Approaches in Menopause and Urogynecology, November 18, 2009, Istanbul.
52. 3rd National Reproductive Endocrinology and Infertility Congress, October 16-19, 2008, Antalya.
53. XXVI. Zeynep Kamil Gyneco-Pathology Congress, ‘Cervical Pathologies’, June 11-13, 2008, Istanbul.
54. 13th World Congress of Gynecological Endocrinology, February 28 – March 2, 2008, Florence, Italy.
55. 2nd Gynecological Endoscopy Symposium and Workshop, January 17-20, 2008, Uludağ, Bursa.
56. II. Gynecological Endoscopy Congress, April 4-7, 2007, Çeşme, Izmir.
57. 3rd National Urogynecology Congress, September 21-23, 2005, Istanbul.
58. II. Aegean Gynecological Endoscopy Symposium & Workshop. March 10-12, 2005, Izmir.
59. IV. National Maternal-Fetal Medicine & Perinatology Congress. November 22-24, 2004, Istanbul.
60. XXII. Zeynep Kamil Gyneco-Pathology Congress, ‘Antenatal Management’, June 9-11, 2004, Istanbul.
61. Pregnancy and Hypertension Symposium (Maternal-Fetal Medicine and Perinatology Association Marmara Region Working Group), December 30, 2003, Istanbul.
62. XXI. Zeynep Kamil Gyneco-Pathology Congress, ‘Cervix’, June 11-13, 2003, Istanbul.
63. XX. Zeynep Kamil Gyneco-Pathology Congress, ‘Ovary’, June 19-21, 2002, Istanbul.
64. The 3rd Ultrasound Congress In Obstetrics and Gynecology. May 19-22, 2002, Antalya.
65. Maternal-Fetal Medicine & Perinatology – 2002 Congress, April 17-20, 2002, Istanbul.
66. I. Reproductive Medicine Congress, June 7-10, 2000, Istanbul.
67. Jan Donald Inter-University School of Medical Ultrasound (Ultrasound In Obstetrics and Gynecology), May 19-20, 2002, Antalya.
68. II. National Urogynecology Congress, April 17-19, 2002, Istanbul.
69. II. Obstetrics and Gynecology Ultrasonography Congress, March 27-29, 2000, Istanbul.
70. I. National Urogynecology Congress, June 8-11, 1999, Istanbul.
71. XVI. Zeynep Kamil Gyneco-Pathology Congress, ‘Pediatric and Adolescent Gynecology, June 2-4, 1999, Istanbul.