Semra Kahraman

RESEARCH QUESTION: Does the presence of endometriosis and/or adenomyosis, adversely affect oocyte morphology? DESIGN: Retrospective, single-centre study evaluating 29,130 ART cycles between August 2011 and March 2023. Patients diagnosed wi…

First trimester pregnancy losses are commonly attributed to chromosomal abnormalities. The causes of pregnancy loss following transfer of a euploid embryo are not fully elucidated. The aim of this study was to evaluate clinical and embryolo…

This guideline was prepared by the Turkish Society of Reproductive Medicine to define the conditions and requirements for an outsourced preimplantation genetic testing (PGT) programme in line with the experience and needs of practitioners. …

Abstract Study question Does presence of endometriosis adversely affect oocyte morphology? Evaluation of a large number of oocytes obtained from endometriosis patients, 27204 oocytes Summary answer In the presence of endometriosis, oocyte m…

PurposeThis study aimed to investigate which patient and cycle characteristics may affect the number of mature oocytes and cryopreservable blastocysts in the GnRH analog trigger cases.MethodsThis was a retrospective cohort study of 2749 GnR…

PURPOSE: Can the risk factors that cause first trimester pregnancy loss in good-quality frozen-thawed embryo transfer (FET) cycles be predicted using machine learning algorithms? METHODS: This is a retrospective cohort study conducted at S…

PurposeTo evaluate whether preimplantation genetic testing for aneuploidy (PGT-A) is beneficial for patients who have only one blastocyst available for biopsy or transfer.MethodsThis retrospective study was based on 1126 single blastocyst P…

BackgroundBefore 2010, there were no regulations in Turkey regarding the number of embryos to be transferred in one cycle. In March 2010, regulations restricting this number were implemented by the Turkish Ministry of Health. These specify …

PurposeThere is no consensus yet in the literature on an optimal luteinizing hormone (LH) level for human chorionic gonadotrophin (hCG) trigger timing in patients undergoing frozen-thawed embryo transfer (FET) with modified natural cycles (…

OBJECTIVE: To investigate whether the space-occupying effect of an endometrioma, rather than endometriosis itself, affects results in in vitro fertilization (IVF) using women with simple ovarian cysts as the control group. METHODS: 85 norm…