• Uluslararası Hakemli Dergilerde Yayımlanan Makaleler
• 1 KILINÇDEMİR TURGUT ÜMRAN, ERDEMOĞLU EBRU, DAĞDELEN CEM, GÜRDAL OSMAN, ÖZKAYA MEHMET OKAN, SEZİK MEKİN, The association between the degree of cervical dilatation before ultrasound and physical examination indicated cerclage and subsequent neonatal outcomes. Qatar Medical Journal, 2024(20), , 1-10. Doi: 10.5339/qmj.2024.20, (2024), (Diğer)
• 2 KILINÇDEMİR TURGUT ÜMRAN, ERDEMOĞLU EBRU, DAĞDELEN CEM, ÖZKAYA MEHMET OKAN, SEZİK MEKİN, The predictive value of hemogram parameters for early preterm delivery in pregnant women undergoing cervical cerclage. Revista da Associação Médica Brasileira, 70(7), , 1-7. Doi: 10.1590/1806-9282.20240030, (2024), (SCI-Expanded)
• 3 Dal Y , Nazıroğlu M , ÖZKAYA Mehmet Okan, Low molecular weight heparin treatment reduced apoptosis and oxidative cytotoxicity in the thrombocytes of patients with recurrent pregnancy loss and thrombophilia: Involvements of TRPM2 and TRPV1 channels.. The journal of obstetrics and gynaecology research, 49(5), , 1355-1365. Doi: 10.1111/jog.15612, (2023), (SCI-Expanded)
• 4 ÖZKAYA DİLEK, USTA GÜLŞAH, KARACA UMUT, ÖZKAYA MEHMET OKAN, Evaluation of Anterior Segment Parameters During Pregnancy. Seminars in Ophthalmology, 37(2), , 131-135. Doi: 10.1080/08820538.2021.1896748, (2022), (SCI-Expanded)
• 5 yüksel murat, NAZIROĞLU MUSTAFA, ÖZKAYA MEHMET OKAN, Long term exposure to electromagnetic radiation from mobile phones and Wi Fi devices decreases plasma prolactin progesterone and estrogen levels but increases uterine oxidative stress in pregnant rats and their offspring. Endocrine, 52(2), , 352-362. (2016), (SCI-Expanded)
• 6 Akkurt MÖ , Yavuz A , Tatar B , ÖZKAYA Mehmet Okan, Ekici Eİ , Utero-cutaneous Fistula after Multiple Abdominal Myomectomies: A Case Report.. Balkan medical journal, 32(4), , 426-8. Doi: 10.5152/balkanmedj.2015.151206, (2015), (SCI-Expanded)
• 7 ÇETİN HASAN, NAZIROĞLU MUSTAFA, ÇELİK ÖMER, YÜKSEL MURAT, PASTACI ÖZSOBACI NURAL, ÖZKAYA MEHMET OKAN, Liver antioxidant stores protect the brain from electromagnetic radiation (900 and 1800 MHz)-induced oxidative stress in rats during pregnancy and the development of offspring. The Journal of Maternal-Fetal Neonatal Medicine, 27(18), , 1915-1921. Doi: 10.3109/14767058.2014.898056, (2014), (SCI)
• 8 ÖZORAK ALPER, NAZIROĞLU MUSTAFA, ÇELİK ÖMER, YÜKSEL MURAT, ÖZÇELİK DERVİŞ, ÖZKAYA MEHMET OKAN, ÇETİN HASAN, Wi Fi 2 45 GHz and Mobile Phone 900 and 1800 MHz Induced Risks on Oxidative Stress and Elements in Kidney and Testis of Rats During Pregnancy and the Development of Offspring. Biological Trace Element Research , 221-229. Doi: 10.1007/s12011-013-9836-z, (2013), (SSCI)
• 9 NAZIROĞLU MUSTAFA, YÜKSEL MURAT, KÖSE SEYİT ALİ, ÖZKAYA MEHMET OKAN, Recent Reports of Wi Fi and Mobile Phone Induced Radiation on Oxidative Stress and Reproductive Signaling Pathways in Females and Males. The Journal of Membrane Biology, 246(12), , 869-875. Doi: 10.1007/s00232-013-9597-9, (2013), (SSCI)
• 10 Sezik M , Antalyali M , Ozmen O , Haligur M , Koker A , ÖZKAYA Mehmet Okan, Kosker M , Ultra-high dose of intra-amniotic or direct fetal intramuscular betamethasone for lung maturation in the preterm goat model.. European journal of obstetrics, gynecology, and reproductive biology, 164(1), , 15-23. Doi: 10.1016/j.ejogrb.2012.05.031, (2012), (SCI-Expanded)
• 11 ÖZKAYA MEHMET OKAN, NAZIROĞLU MUSTAFA, cem barak, mete berkkanoglu, Effects of Multivitamin Mineral Supplementation on Trace Element Levels in Serum and Follicular Fluid of Women Undergoing in Vitro Fertilization IVF. Biological Trace Element Research, 139(1), , 1-9. Doi: 10.1007/s12011-010-8637-x, (2011), (SSCI)
• 12 ÖZKAYA MEHMET OKAN, NAZIROĞLU MUSTAFA, Multivitamin and mineral supplementation modulates oxidative stress and antioxidant vitamin levels in serum and follicular fluid of women undergoing in vitro fertilization. Fertility and Sterility, 94(6), , 2465-2466. Doi: 10.1016/j.fertnstert.2010.01.066, (2010), (SCI)
• 13 ÖZKAYA Mehmet Okan, Nazıroğlu M , Multivitamin and mineral supplementation modulates oxidative stress and antioxidant vitamin levels in serum and follicular fluid of women undergoing in vitro fertilization.. Fertility and sterility, 94(6), , 2465-6. Doi: 10.1016/j.fertnstert.2010.01.066, (2010), (SCI-Expanded)
• 14 ÖZKAYA Mehmet Okan, Sezik M , Ozbasar D , Kaya H , Abnormal ductus venosus flow and tricuspid regurgitation at 11-14 weeks' gestation have high positive predictive values for increased risk in first-trimester combined screening test: results of a pilot study.. Taiwanese journal of obstetrics & gynecology, 49(2), , 145-50. Doi: 10.1016/S1028-4559(10)60031-9, (2010), (SCI-Expanded)
• 15 Kaya H , Desdicioglu R , Sezik M , Ulukaya E , ÖZKAYA Mehmet Okan, Yilmaztepe A , Demirci M , Does sphingosine-1-phosphate have a protective effect on cyclophosphamide- and irradiation-induced ovarian damage in the rat model?. Fertility and sterility, 89(3), , 732-5. Doi: 10.1016/j.fertnstert.2007.03.065, (2008), (SCI-Expanded)
• 16 ÖZKAYA Mehmet Okan, Sezik M , Kaya H , Serum malondialdehyde, erythrocyte glutathione peroxidase, and erythrocyte superoxide dismutase levels in women with early spontaneous abortions accompanied by vaginal bleeding.. Medical science monitor : international medical journal of experimental and clinical research, 14(1), (2008), (SCI-Expanded)
• 17 SEZİK MEKİN, ÖZKAYA MEHMET OKAN, DEMİR FUAT, HÜLYA TOYRAN SEZİK, KAYA HAKAN, Total salpingectomy during abdominal hysterectomy effects on ovarian reserve and ovarian stromal blood flow. Journal of Obstetrics and Gynaecology Research , 863-869. (2007), (SCI-Expanded)
• 18 SEZİK MEKİN, ÖZKAYA MEHMET OKAN, HÜLYA TOYRAN SEZİK, EYİ ELİF, Expectant management of severe preeclampsia presenting before 25 weeks of gestation. MEDICAL SCIENCE MONITOR, 13(11), , 523-527. (2007), (SCI-Expanded)
• 19 Sezik M , ÖZKAYA Mehmet Okan, Sezik HT , Yapar EG , Kaya H , Does marriage between first cousins have any predictive value for maternal and perinatal outcomes in pre-eclampsia?. The journal of obstetrics and gynaecology research, 32(5), , 475-81. Doi: 10.1111/j.1447-0756.2006.00432.x, (2006), (SCI-Expanded)
• 20 Kaya H , Sezik M , ÖZKAYA Mehmet Okan, Sahiner H , Ozbaşar D , Does the diameter of an endometrioma predict the extent of pelvic adhesions associated with endometriosis?. The Journal of reproductive medicine, 50(3), , 198-202. (2005), (SCI-Expanded)
• 21 ÖZKAYA Mehmet Okan, Lipid Peroxidation at Various Estradiol Concentrations in Human Circulation During Ovarian Stimulation with Exogenous Gonadotropins. Hormone and Metabolic Research , 693-695. Doi: 10.1111/j.1365-277X, (2004), (Endekste taranmıyor)
• 22 Kaya H , Sezik M , ÖZKAYA Mehmet Okan, Desdicioglu R , Kapucuoglu N , Color Doppler ultrasound in ovarian fibrosarcoma.. Gynecologic oncology, 94(1), , 229-31. Doi: 10.1016/j.ygyno.2004.04.010, (2004), (SCI-Expanded)
• 23 Kaya H , Babar Y , Ozmen S , ÖZKAYA Mehmet Okan, Karci M , Aydin AR , Ozbasar D , Intratubal methotrexate for prevention of persistent ectopic pregnancy after salpingotomy.. The Journal of the American Association of Gynecologic Laparoscopists, 9(4), , 464-7. Doi: 10.1016/s1074-3804(05)60520-8, (2002), (SCI-Expanded)
• 24 ÖZKAYA Mehmet Okan, Prenatal Diagnosis of Cloacal Exstrophy Before Rupture of the Cloacal Membrane. ARCHIVES OF GYNECOLOGY AND OBSTETRICS , 142-144. Doi: 10.1007/pl00007471, (2000), (SCI-Expanded)
• 25 KAYA HAKAN, DELİBAŞ NAMIK, SERTESER MUSTAFA, ULUKAYA ENGİN, ÖZKAYA MEHMET OKAN, The Effect of Melatonin on Lipid Peroxidation During Radiotherapy in Female Rats. STRAHLENTHERAPIE UND ONKOLOGIE , 285-288. Doi: 10.1007/BF02743581, (1999), (SSCI)

• Ulusal Hakemli Dergilerde Yayımlanan Makaleler
• 1 ÖZKAYA MEHMET OKAN, Süleyman Demirel Üniversitesi Kadın Hastalıkları ve Doğum Kliniğindeki 5 Yıllık Doğum Oranları ve Sezaryen Endikasyonları. Medical Journal of Suleyman Demirel University , 36-39. (2005), (TR DİZİN)
• 2 KAYA HAKAN, DELİBAŞ NAMIK, ÇAPAR METİN, tarhan veysel, SERTESER MUSTAFA, ÖZKAYA MEHMET OKAN, Gebelikte ve Postpartum Erken Dönemde Serbest Radikal Oluşumu ve Antioksidan Enzim Düzeyleri. Medical Journal of Suleyman Demirel University , 67-70. (1996), (TR DİZİN)

• Ulusal Bilimsel Toplantılarda Sunulan ve Bildiri Kitaplarında (proceedings) Basılan Bildiriler
• 1 ÖZKAYA MEHMET OKAN, Kliniğimizde Yönetilen Acil Serklaj Olgularının Değerlendirilmesi . 19. perinatoloji kongresi (2022). (Tam metin bildiri)

• Kitap
• 1 ÖZKAYA MEHMET OKAN, KARACAN ERDENER, Preeklampsi ve Gebeliğin Diğer Hipertansif Hastalıkları: Etyopatogenez, Tanı, Yönetim ve Bakım Seçenekleri(2024). ANKARA NOBEL TIP KİTAPEVLERİ, Bölüm, (ULUSLARARASI)