Gynecologist & Obstetrician | MD Professor |
Reproductive Endocrinology, Infertility and
Endometriosis Specialist
His main interest areas:
REPRODUCTIVE ENDOCRINOLOGY
Polycystic Ovary Syndrome, Endometriosis, Contraception, Menopause and treatment
ENDOSCOPIC SURGERY
Laparoscopy, Hysteroscopy, Hysterectomy, Myomectomy
INFERTILITY
IVF
PREGNANCY AND DELIVERY
Pregnancy and Delivery
RECURRENT PREGNANCY LOSS
Recurrent Pregnancy Loss
OOCYTE FREEZING
Oocyte Freezing
CHRONIC PELVIC PAIN
Chronic Pelvic Pain
OVARIAN CYSTS
Ovarian Cysts
ABNORMAL UTERINE BLEEDING
Abnormal Uterine Bleeding
UTERINE MALFORMATIONS
Uterine Malformations
Engin Oral M.D. has been working in the field of obstetrics and gynecology since 1993 and giving
lectures at Istanbul University Cerrahpasa Medical Faculty since 1997. As of november 2018, Prof. Dr.
Oral is the current president of the European Endometriosis League.
He is also the founder of Endometriosis & Adenomyosis Society of Turkey and he is currently
the vice president of the society.
He is seeing his patients in his private offices located in Nisantasi and Florya.
Prof. Oral is the author of 66 internationally cited
publications.
Peer-Reviewed Publications
- Usta T., Karacan T., Hanli U., Cansu E., Oral E. Hysteroscopic management of a
juvenile cystic adenomyosis, J Endometriozis and Pelvic Pain Disorders, 2018 Jun;
vol10:123-123, doi:org/10.1177/228402651877879. - Kaya C, Alay I, Guraslan H, Gedikbasi A, Ekin M, Ertaş Kaya S, Oral E, Yasar L,The
Role of Serum Caspase 3 Levels in Prediction of Endometriosis Severity. Gynecol Obstet
Invest. 2018 Aug 2:1-10. doi: 10.1159/000489494. - Sofiyeva N, Oral E. Letter from original author re. Does telomerase activity have an
effect on infertility in patients with endometriosis? Methodological issues. Eur J
Obstet Gynecol Reprod Biol. 2017 Sep; 216:259-260. doi: 10.1016/j.ejogrb.2017.07.009. Epub 2017 Jul
12. No abstract available. - Sofiyeva N, Ekizoglu S, Gezer A, Yilmaz H, Kolomuc Gayretli T, Buyru N, Oral E. Does
telomerase activity have an effect on infertility in patients with endometriosis?
Eur J Obstet Gynecol Reprod Biol. 2017 Jun; 213:116-122. doi: 10.1016/j.ejogrb.2017.04.027. Epub 2017 Apr
18. - Oral E, Aydogan Mathyk B, Aydogan BI, Acıkgoz AS, Erenel H, Celik Acıoglu H, Anık
Ilhan G, Dane B, Ozel A, Tandogan B, Cakar E, Isci H, Kayan B, Aslan H, Ekiz A, Sancak
S, Celik A, Yoldemir T, Uzun O, Erdogan MF. Iodine status of pregnant women in a
metropolitan city which proved to be an iodine-sufficient area. Is mandatory salt
iodisation enough for pregnant women? Gynecol Endocrinol. 2016;32(3):188-92. doi:
10.3109/09513590.2015.1101443. Epub 2015 Oct 22. - Gezer A, Oral E. Progestin therapy in endometriosis. Womens Health (Lond). 2015
Aug;11(5):643-52. doi: 10.2217/whe.15.42. Epub 2015 Sep 21. Review. - Oral E, Demir B, Inceboz U. Endometriosis and ovarian reserve. Womens Health (Lond).
2015 Aug;11(5):671-5. doi: 10.2217/whe.15.53. Epub 2015 Sep 7. Review.
Inceboz U, Oral E. Foreword. Womens Health (Lond). 2015 Aug;11(5):575. doi:
10.2217/whe.15.61. Epub 2015 Sep 7. - Sahmay S, Usta TA, Zebitay G, Senturk LM, Oral E, Ocal P, Idil M, Irez T. Comparison
of follitropin alfa and urinary gonadotropins in IVF cycles.Minerva Ginecol.
2014 Aug;66(4):341-6. - Elter K, Oral E. Surgical treatment before assisted reproductive technologies. Semin
Reprod Med. 2014 Jul;32(4):253-61. doi: 10.1055/s-0034-1375177. Epub 2014 Jun 11.
Review. - Findikli N, Oral E. Time-lapse embryo imaging technology: does it improve the
clinical results? Curr Opin Obstet Gynecol. 2014 Jun;26(3):138-44. doi: 10.1097/
GCO.0000000000000072. Review. - Tuten A, Kucur M, Imamoglu M, Oncul M, Acikgoz AS, Sofiyeva N, Ozturk Z, Kaya B,
Oral E. Serum YKL-40 levels are altered in endometriosis. Gynecol Endocrinol. 2014
May;30(5):381-4. doi: 10.3109/09513590.2014.887671. Epub 2014 Feb
17. - Sahmay S, Guralp O, Aydogan B, Cepni I, Oral E, Irez T. Anti-Mullerian hormone and
polycystic ovary syndrome: assessment of the clinical pregnancy rates in in vitro
fertilization patients. Gynecol Endocrinol. 2013 May;29(5):440-3. doi:
10.3109/09513590.2013.769519. Epub 2013 Mar 6. - Irez T, Usta TA, Zebitay G, Oral E, Senol H, Sahmay S. Evaluation of subgroups of the
human sperm hypoosmotic swelling test in normozoospermic male cases with recurrent
fertilization failure: a prospective case-controlled study. Arch Gynecol Obstet.
2013 Apr;287(4):797-801. doi: 10.1007/s00404-012-2634-6. Epub 2012 Nov 18. - Kumbak B, Oral E, Bukulmez O. Female obesity and assisted reproductive technologies.
Semin Reprod Med. 2012 Dec;30(6):507-16. doi: 10.1055/s-0032-1328879. Epub 2012 Oct
16. Review. - Sahmay S, Demirayak G, Guralp O, Ocal P, Senturk LM, Oral E, Irez T. Serum
anti-mullerian hormone, follicle stimulating hormone and antral follicle count
measurement cannot predict pregnancy rates in IVF/ICSI cycles. J Assist Reprod Genet.
2012 Jul;29(7):589-95. doi:10.1007/s10815-012-9754-6. Epub 2012 Apr 11. - Usta T, Oral E. Is the measurement of anti-Mullerian hormone essential? Curr Opin
Obstet Gynecol. 2012 Jun;24(3):151-7. doi: 10.1097/GCO.0b013e3283527dcf. Review. - Yoldemir T, Oral E. Has fertility declined in recent decades? Curr Opin Obstet Gynecol.
2012 Jun;24(3):119-26. doi: 10.1097/GCO.0b013e32835213f1. Review. - Kucuk M, Halil S, Ocer F, Oral E. Labial fusion first diagnosed during pregnancy with
voiding difficulty and its management: a case report. Clin Exp Obstet Gynecol.
2011;38(1):94-5. - Cetinkaya F, Gelen SA, Kervancioglu E, Oral E. Prevalence of asthma and other allergic
diseases in children born after in vitro fertilisation. Allergol Immunopathol (Madr).
2009 Jan-Feb;37(1):11-3. - Kumbak B, Oral E.Quality of residual follicles may depend on the etiology of
“declining” ovarian function? Fertil Steril. 2007 Nov;88(5):1480-1; author reply 1481. - Oral E, Elter K. The impact of cesarean birth on subsequent fertility. Curr Opin
Obstet Gynecol. 2007 Jun;19(3):238-43. Review. - Kumbak B, Oral E, Karlikaya G, Lacin S, Kahraman S. Serum oestradiol and beta- HCG
measurements after day 3 or 5 embryo transfers in interpreting pregnancy outcome.
Reprod Biomed Online. 2006 Oct;13(4):459-64. - Kumbak B, Oral E, Kahraman S, Karlikaya G, Karagozoglu H. Young patients with
diminished ovarian reserve undergoing assisted reproductive treatments: a
preliminary report. Reprod Biomed Online. 2005 Sep;11(3):294-9. - Oral E, Genç MR. Hormonal monitoring of the first trimester of pregnancy. Obstet Gynecol
Clin North Am. 2004 Dec;31(4):767-78, x. Review. - Aksu F, Gezer A., Oral E., Seventeen-year review of hysterectomy procedures in a
university clinic in İstanbul (1985-2001) rch Obstet Gynecol, 2004. - Oral E, Ilvan S, Tustas E, Korbeyli B, Kosebay D, Prevalence of endometriosis in
malignant epithelial ovary tumours Research article Eur J Obstet Gynecol Reprod Biol.
2003 Jul;109(1):97-101. - Oral E1, Gezer A, Cagdas A, Pakkal N. Oxytocin İnfusion in Labor: the effect
different indications and the use of different diluents on neonatal bilirubin
levels. Arch Gynecol Obstet. 2003 Jan;267(3):117-20. - Oral E, Yetis O, Elibol F, Senol H, Irez T, Aksu FM. Assessment of human sperm
morphology by strict criteria: comparison of wet preparation versus stained with the
modified Diff-Quik method. Arch Androl. 2002 Jul-Aug;48(4):307-14. - Oral E, Cağdaş A, Gezer A, Kaleli S, Öçer F, Perinatal and Maternal Outcomes of Fetal
Macrosomia Eur J Obstet Gynecol Reprod Biol. 2001 Dec; 99(2): 167-171. - Oral E, Cağdaş A, Gezer A, Kaleli S, Aydin Y, Oçer F. Hematological abnormalities in
adolescent menorrhagia. Arch Gynecol Obstet. 2002 Apr;266(2):72-4. - Erel CT, Oral E, Senturk LM, Aksu MF. Craniopharyngioma and Bardet-Biedl syndrome.
A case report. J Reprod Med. 2001 May;46(5):501-3. - Akçay T, Dinçer Y, Kayali R, Colgar U, Oral E, Cakatay U. Effects of hormone replacement
therapy on lipid peroxides and oxidation system in postmenopausal women. J Toxicol
Environ Health A. 2000 Jan 14;59(1):1-5. - Sahmay S, Kaleli S, Oral E, Alper T, Unal O, Karacan I, Atasu T. Effect of different
types of intrauterine devices on intrauterine activity. Int J Fertil Womens
Med. 1999 May-Jun;44(3):150-5. - Öçer F, Kaleli S, Budak E, Oral E. Fetal Weight Estimation and Prediction of Fetal
Macrosomia in Nondiabetic Pregnant Women Research article Eur J Obstet Gynecol Reprod
Biol.1999 Mar; 83(1):47-52. - Erel CT, Senturk LM, Oral E, Mutlu H, Colgar U, Seyisoglu H, Ertungealp E. Results of the
ACTH stimulation test in hirsute women. J Reprod Med. 1999 Mar; 44(3):247-52. - Bahtiyar MO, Seli E, Oral E, Senturk LM, Zreik TG, Arici A. Follicular fluid of women
with endometriosis stimulates the proliferation of endometrial stromal cells.
Hum Reprod. 1998 Dec;13(12):3492-5. - Kaleli S, Erel CT, Oral E, Elter K, Akman C, Colgar U. Ovarian stromal hypertrophy in
polycystic ovary syndrome. J Reprod Med. 1998 Oct;43(10):893-7. - Erel CT, Senturk LM, Oral E, Colgar U, Ertungealp E. Adrenal androgenic response to
2-hour ACTH stimulation test in women with PCOS. Gynecol Endocrinol. 1998
Aug;12(4):223-9. - Zeyneloglu HB, Senturk LM, Seli E, Oral E, Olive DL, Arici A. The role of monocyte
chemotactic protein-1 in intraperitoneal adhesion formation. Hum Reprod. 1998
May;13(5):1194-9. - Arici A, Seli E, Senturk L,Gutierrez L, Oral E, Taylor H, Interleukin-8 in the Human
Endometrium The Journal of Clinical Endocrinology & Metabolism, Volume 83, Issue
5, 1 May 1998, Pages 1783–1787. - Arici A, Seli E, Zeyneloglu HB, Senturk LM, Oral E, Olive DL. Interleukin-8 induces
proliferation of endometrial stromal cells: a potential autocrine growth factor. J Clin
Endocrinol Metab. 1998 Apr;83(4):1201-5. - Oral E, Seli E, Bahtiyar MO, Jones EE, Arici A. Growth-regulated alpha expression in
human preovulatory follicles and ovarian cells. Am J Reprod Immunol. 1997 Jul;
38(1):19-25. - Arici A, Oral E, Attar E, Tazuke S, Olive D. Monocyte chemotactic protein-1 concentration
in peritoneal fluid of women with endometriosis and its modulation of
expression in mesothelial cells Research article Fertil Steril. 1997 Jun;
67(6):1065-72. - Arici A, Oral E, Bahtiyar O, Engin O, Seli E, Jones EE. Leukaemia inhibitory factor
expression in human follicular fluid and ovarian cells. Hum Reprod. 1997
Jun;12(6):1233-9. - Oral E, Arici A. Pathogenesis of Endometriosis, Research article Obstetrics
and Gynecology Clinics of North America, 1997 Jun; 24(2): 219-233. - Arici A, Oral E, Bukulmez O, Buradagunta S, Bahtiyar O, Jones EE. Monocyte chemotactic
protein-1 expression in human preovulatory follicles and ovarian cells. J Reprod
Immunol. 1997 Feb;32(3):201-19. - Oral E, Seli E, Bahtiyar MO, Olive DL, Arici A Growth-regulated alpha expression in the
peritoneal environment with endometriosis. Obstet Gynecol. 1996 Dec;88(6): 1050-6. - Erel CT, Kaleli S, Oral E, Engür A, Eren T, Calay Z, Aydinli K. DNA ploidy of ectopic
pregnancy and first trimester spontaneous abortion investigated by flow cytometry.
Acta Obstet Gynecol Scand. 1996 Nov;75(10):881-5. - Oral E, Arici A, Olive D, Huszar G. Peritoneal fluid from women with moderate or
severe endometriosis inhibits sperm motility: the role of seminal fluid
components Research article Fertil Steril. 1996 Nov; 66(5):787-792. - Arici A, Oral E, Bukulmez O, Buradagunta S, Engin O, Olive DL. Interleukin-8 expression
and modulation in human preovulatory follicles and ovarian cells.Endocrinology.
1996 Sep;137(9):3762-9. - Oral E, Olive DL, Arici A. The peritoneal environment in endometriosis.Hum Reprod
Update. 1996;2(5):385-398. - Oral E, Arici A. Peritoneal growth factors and endometriosis Semin Reprod Endocrinol.
1996;14(3):257-67. - Arici A, Oral E, Bukulmez O, Duleba A, Jones E The effect of endometriosis on
implantation: results from the Yale University in vitro fertilization and embryo
transfer program Research article Fertil Steril. 1996 Mar; 65(3): 603-607. - Sahmay S, Oral E, Saridogan E, Senturk L, Atasu T. Endometrial biopsy findings in
infertility: analysis of 12,949 cases. Int J Fertil Menopausal Stud. 1995 Nov-Dec;
40(6):316-21. - Oral E, Seli E, Bahtiyar MO, Olive DL, Arici A Growth-regulated alpha expression in the
peritoneal environment with endometriosis. Obstet Gynecol. 1996 Dec;88(6): 1050-6. - Erel CT, Kaleli S, Oral E, Engür A, Eren T, Calay Z, Aydinli K. DNA ploidy of ectopic
pregnancy and first trimester spontaneous abortion investigated by flow cytometry.
Acta Obstet Gynecol Scand. 1996 Nov;75(10):881-5. - Oral E, Arici A, Olive D, Huszar G. Peritoneal fluid from women with moderate or
severe endometriosis inhibits sperm motility: the role of seminal fluid components
Research article Fertil Steril. 1996 Nov; 66(5):787-792. - Arici A, Oral E, Bukulmez O, Buradagunta S, Engin O, Olive DL. Interleukin-8
expression and modulation in human preovulatory follicles and ovarian cells.
Endocrinology. 1996 Sep;137(9):3762-9. - Oral E, Olive DL, Arici A. The peritoneal environment in endometriosis. Hum Reprod
. 1996;2(5):385-398. - Oral E, Arici A. Peritoneal growth factors and endometriosis Semin Reprod Endocrinol.
1996;14(3):257-67. - Arici A, Oral E, Bukulmez O, Duleba A, Jones E The effect of endometriosis on
implantation: results from the Yale University in vitro fertilization and embryo transfer
program Research article Fertil Steril. 1996 Mar; 65(3): 603-607. - Sahmay S, Oral E, Saridogan E, Senturk L, Atasu T. Endometrial biopsy findings in
infertility: analysis of 12,949 cases. Int J Fertil Menopausal Stud.
1995 Nov-Dec; 40(6):316-21. - Pınar Yalçın Bahat1,*| Cihan Kaya2| Nura F.T. Selçuki3| İbrahim Polat1|Taner Usta4|
Engin Oral The COVID‐19 pandemic and patients with endometriosis:
A survey‐based study conducted in Turkey July 2020 -
Topçu HO, Kaya C, Oral E. Fertility issue in early stage endometrial cancer patients. Translational Cancer Research. 2020;9(12):7797-808.
- N.F.T.Topbas Selcuki, S.Yilmaz, C.Kaya, T.A.Usta, E.Oral. Thoracic Endometriosis: A Review Comparing 480 Patients Based on Catamenial and Non-Catamenial Presentation. November 2020Journal of Minimally Invasive Gynecology 27(7):S45 DOI: 10.1016/j.jmig.2020.08.374
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Cise Mis1, Gokcen Kofali, Bethan Swift, Pinar Yalcin Bahat, Gamze Senocak, Bahar Taneri, Lone Hummelshoj, Stacey A. Missmer, Christian M. Becker, Krina T. Zondervan, Bahar Yuksel Ozgor, Engin Oral, Umit Inceboz, Mevhibe B. Hocaoglu and Nilufer Rahmioglu. Protocol for the Cultural Translation and Adaptation of the World Endometriosis Research Foundation Endometriosis Phenome and Biobanking Harmonization Project Endometriosis Participant Questionnaire (EPHect). Front. Glob. Womens Health, 26 March 2021 | https://doi.org/10.3389/fgwh.2021.644609