Osman Şevket

ORCID: 0000-0003-4118-876X
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About
Contact & Profiles
Research Areas
  • Maternal and Perinatal Health Interventions
  • Maternal and fetal healthcare
  • Ovarian function and disorders
  • Reproductive Biology and Fertility
  • Gestational Diabetes Research and Management
  • Pregnancy and preeclampsia studies
  • Reproductive System and Pregnancy
  • Assisted Reproductive Technology and Twin Pregnancy
  • Bariatric Surgery and Outcomes
  • Ectopic Pregnancy Diagnosis and Management
  • Uterine Myomas and Treatments
  • Ovarian cancer diagnosis and treatment
  • Gynecological conditions and treatments
  • Reproductive Health and Contraception
  • Sperm and Testicular Function
  • Endometriosis Research and Treatment
  • Urological Disorders and Treatments
  • Pregnancy-related medical research
  • Pelvic floor disorders treatments
  • Urinary and Genital Oncology Studies
  • Surgical Sutures and Adhesives
  • Urologic and reproductive health conditions
  • Gestational Trophoblastic Disease Studies
  • Reproductive Health and Technologies
  • Female Genital Mutilation/Cutting Issues

Bezmiâlem Vakıf Üniversitesi
2012-2023

Bezmialem Foundation University Medical Faculty Hospital
2016

Etlik Zübeyde Hanım Kadın Hastalıkları Eğitim ve Araştırma Hastanesi
2013-2015

Zübeyde Hanim Maternity Hospital
2007-2014

Pamukkale University
2014

Caerus Molecular Diagnostics (United States)
2014

Haseki Eğitim ve Araştırma Hastanesi
2013

Dumlupinar University
2013

Farmak (Czechia)
2013

Denizli Devlet Hastanesi
2011-2012

Objective: The aim of this study was to compare body fat distribution in PCOS with healthy controls and investigate the factors associated carotid artery intima media thickness (IMT) insulin resistance. Subjects Methods: A case control conducted 46 women 43 age matched controls. Anthropometrical measurements, hormonal levels, lipid glucose profile were evaluated. Body four regions IMT measured. compared between groups. Correlation these parameters resistance investigated. Result(s): Visceral...

10.3109/09513590.2011.589929 article EN Gynecological Endocrinology 2011-07-20

ABSTRACT Objectives The aim of this study is to determine the frequency aberrant right subclavian artery (ARSA) in trisomic and normal fetuses during routine detailed ultrasonography second trimester evaluate potential value ARSA as an ultrasonographic marker for trisomy 21. Methods presence brachicephalic trunk/or was confirmed all pregnant women undergoing fetal anomaly screening beyond 16th week pregnancy. Amniocentesis following genetic councelling recommended having either any positive...

10.1002/pd.4042 article EN Prenatal Diagnosis 2013-01-14

The goal of this study is to compare the prevalence and clinical outcomes a one-step with two-step screening method, both which are commonly used for diagnosis gestational diabetes mellitus (GDM).Women who presented GDM consented participate in were randomized into two groups. women Group 1 (n = 386) screened using method (2-h, 75 g oral glucose tolerance test (OGTT)) 2 400) by (the 50 challenge (GCT) followed 100 OGTT). pregnancies then classified three subgroups as follows: had negative...

10.3109/14767058.2013.799656 article EN The Journal of Maternal-Fetal & Neonatal Medicine 2013-04-26

Objective: To assess serum levels of 25-hydroxyvitamin D [25(OH)D] in the first trimester and to determine factors affecting deficiency its association with pregnancy outcomes.Methods: Serum 25(OH)D concentrations were measured at 11-14 weeks' gestation 229 singleton pregnancies using liquid chromatography-tandem mass spectrometry.Results: The median concentration was 10.8 ng/mL 45.9% women had severe vitamin <10 ng/mL. Logistic regression analysis revealed that covered dressing style, lack...

10.4314/ahs.v16i1.5 article EN African Health Sciences 2016-05-09

Abstract Aim To evaluate the clinical outcome of assisted reproductive technology (ART) cycles in couple with male infertility, where spermatozoa were selected using either a conventional gradient‐density centrifugation technique or microfluidic sperm sorting. Methods A total 181 patients who underwent vitro fertilization (IVF) because factor infertility at IVF center Bezmialem and Yeditepe University Hospital included this study. All divided into two groups according to selection method:...

10.1111/jog.14539 article EN Journal of Obstetrics and Gynaecology Research 2020-11-16

This study presents the differences in clinical, endocrine and metabolic parameters among different polycystic ovary syndrome (PCOS) phenotypes Turkish women. Four hundred ten women with PCOS were evaluated, while 97 healthy served as controls. defined by oligo-anovulation (OA), hyperandrogenism (HA) ovaries on ultrasound (PCO). Patients subdivided into four phenotypes: OA + HA PCO (phenotype 1), 2), 3), 4). Phenotypes 1-4 present 47.1%, 13.2%, 21.2% 18.5% of patients, respectively. They...

10.3109/09513590.2013.819082 article EN Gynecological Endocrinology 2013-07-26

To evaluate the natural history of isolated muscular ventricular septal (m-VSD) defects during gestation and up to 1 year postnatally, as well association with chromosomal anomalies.Between August 2007 July 2012, 76 fetuses m-VSDs represented study population. The following variables were evaluated: site size m-VSDs, presence anomalies, pregnancy outcome, spontaneous closure rate from diagnosis postnatally.Of cases m-VSD, fetus died after birth 31 lost follow-up birth. Thus, a total 44...

10.5152/jtgga.2014.0012 article EN Journal of the Turkish-German Gynecological Association 2014-06-16

Objective. The aim of this study was to evaluate the effect maternal age on prenatal and obstetric outcome in multiparaous women. Materials Methods. A retrospective case control conducted, including women aged 40 years over (study group, n = 97) who delivered at 20 week's gestation or beyond 20-29 (control 97). Results. mean group 41.2 ± 1.7 versus 25.4 2.3 group. Advanced associated with a significantly higher rate hypertension, diabetes mellitus, fetal complication, 5-minute Apgar scores...

10.1155/2013/287519 article EN International Journal of Reproductive Medicine 2012-12-29

The ability of HbA1c was evaluated in the diagnosis gestational diabetes mellitus (GDM) and for implications its use clinical practice. A total 339 pregnant women with an estimated age 24–28 weeks were GDM using oral glucose tolerance test (OGTT) based on International Association Diabetes Pregnancy Study Group (IADPSG) criteria. ROC curve drawn to determine sensitivity specificity detecting GDM. An cut-off value ≥ 5.2% had 64.15% 67.48% diagnosing GDM, a positive predictive 26.77%. Using...

10.3109/01443615.2014.925855 article EN Journal of Obstetrics and Gynaecology 2014-10-23

Iron, folate and vitamin B12 play important roles in the healthy development of fetus pregnancy. Preconceptional levels these micronutrients is influenced by dietary habits. The purpose this study was to investigate status iron, first trimester pregnancies southwest region Turkey where Mediterranean Cuisine, rich fresh fruit vegetables commonly consumed.Two hundred one low-middle income pregnant women were recruited during their prenatal visit. Hemoglobin, ferritin, evaluated a structured...

10.5152/jtgga.2011.36 article TR Journal of the Turkish-German Gynecological Association 2011-08-26

Postpartum ovarian vein thrombosis (OVT) is a rare but serious complication. Clinical findings of OVT are nonspecific. OVT, which clinically difficultly diagnosed entity, must be thought in differential diagnosis cases postpartum acute abdomen. can accurately by appropriate noninvasive radiologic modalities to start early therapy with anticoagulants and intravenous antibiotics. In this paper, we review the imaging case that had been followed up for 6 months ultrasonography (US), color...

10.1155/2012/134603 article EN cc-by Case Reports in Obstetrics and Gynecology 2012-01-01

Apigenin is a plant-derived compound belonging to the flavone class, which possess antioxidant, free-radical-scavenging and anti-inflammatory properties.To address effects of apigenin on serum anti-mullerian hormone levels, tissue oxidative stress parameters histopathological changes in ovarian ischemia/reperfusion injury.Animal experiment.Twenty-eight female Wistar albino rats were randomly separated into four sections: Sham operation (group 1), plus saline 2), dimethyl sulfoxide 3) 4). In...

10.4274/balkanmedj.2016.1386 article EN cc-by-nc-nd Balkan Medical Journal 2017-04-07

To evaluate the effects of ethinyl estradiol-cyproterone acetate (EE-CA) treatment on metabolic and cardiovascular risk factors, body fat distribution in polycystic ovary syndrome (PCOS) after 6-month treatment.Thirty women with PCOS were evaluated before 6 months EE-CA treatment. Anthropometrical measurements, hormonal levels, lipid glucose profile evaluated. Body thickness four regions carotid intima media (IMT) measured. Interval change antropometric profile, IMT was...

10.3109/09513590.2011.613971 article EN Gynecological Endocrinology 2011-10-01

The aim of this study was to investigate the clinical, endocrine, metabolic features and prevalence syndrome (MBS) in Turkish adolescents with polycystic ovary (PCOS) differences parameters between adolescent PCOS or without presence ovaries (PCO) on ultrasound. Subjects (n = 77) were classified into two groups: oligomenorrhea (O) clinical and/or biochemical hyperandrogenism (HA) 38), PCO O + HA 39). control group consisted 33 age-matched adolescents. Adolescents had a significantly higher...

10.1080/01443615.2017.1345875 article EN Journal of Obstetrics and Gynaecology 2017-09-18

Objective This study evaluated the clinical outcomes and safety of treating caesarean scar pregnancy (CSP) by means suction curettage followed when required Foley tamponade, with or without methotrexate (MTX) therapy preceding curettage.Methods Twenty-five patients CSP were identified between August 2008 April 2012. The first team doctors treated Group A (n = 11) systemic MTX dilatation whereas second carried out only a on women B 14). If uncontrolled vaginal bleeding occurred in either...

10.3109/13625187.2013.873400 article EN The European Journal of Contraception & Reproductive Health Care 2014-01-27

Aim: The aim of this study was evaluating the effectiveness vitamin D in treatment primary dysmenorrhea.Material and Methods: A total 142 patients between 16 35 years age who were admitted to a university hospital diagnosed with dysmenorrhea included randomized controlled manner. Cases into three groups 667 IU once day, 200 E day 400 mg ibuprofen twice day. given two days before expected date menstruation first menstruation. Treatment continued consecutive cycles. Severity menstrual pain...

10.18678/dtfd.480596 article EN cc-by-nc-nd Düzce Tıp Fakültesi Dergisi 2019-03-26

To find an effective way to predict Cesarean section (CS) before induction of labor.Nulliparous women at ≥ 41 weeks pregnancy were enrolled in the study. Bishop score (BS), cervical length (CL), posterior angle (PCA), quantification stromal echogenicity by tissue histograms and opening internal os (funnelling) recorded. The vaginal delivery CS groups then compared terms clinical ultrasonographic findings.BS, CL, PCA funnelling significant predictors CS, whereas no such relationship existed...

10.3109/14767058.2013.784249 article EN The Journal of Maternal-Fetal & Neonatal Medicine 2013-03-13

Abstract Purpose This study aimed to compare the effects of two different suture materials, monofilament synthetic absorbable sutures versus multifilament sutures, on healing uterine scar after a cesarean delivery. Methods A total 95 women between ages 18 and 40 who had undergone primary section (CS) 38th week gestation. In Group I (n=48), continuous double-layer unlocked closure low transverse incision was performed using sutures. II (n=47), Six months operation, integrity at site assessed...

10.1055/a-1179-1393 article EN Zeitschrift für Geburtshilfe und Neonatologie 2020-06-25

In this prospective study, seventy-six patients (PCOS group; n = 36, multifollicular ovary 40) were evaluated by 2-D and 3-D ultrasonography. VOCAL programme, echogenicity, number of follicles blood flow parameters evaluated. The with PCOS had a higher total ovarian volume, mean stromal volume echogenicity (18.6 ± 4.75 to 10.2 3.4 p < .01; 12.23 2.53 5.02 2.44 .02; score 1:28 10 .01, respectively). There was no statistically significant difference in terms RI PI values between the groups (p...

10.1080/01443615.2020.1803244 article EN Journal of Obstetrics and Gynaecology 2020-10-16

Abstract Purpose The aim of our study was to evaluate the positive effect starting an IV oxytocin infusion early before uterine incision on intraoperative blood loss. Methods A total 101 women between 18–40 years who underwent a primary elective cesarean section (CS) were included in this randomized controlled trial. patients divided into two groups. In Group I (n=51), administered immediately after visceral peritoneum during CS. II (n=50), clamping umbilical cord. outcome mean volume loss...

10.1055/a-1108-2017 article EN Zeitschrift für Geburtshilfe und Neonatologie 2020-03-02
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