Publications by authors named "Meryem Kuru-Pekcan"

This study aimed to determine whether serum mid-luteal progesterone (MLP) levels measured in the current treatment cycles of infertile women undergoing controlled ovarian hyperstimulation and intrauterine insemination following the sequential use of clomiphene citrate and gonadotropin may predict pregnancy. A total of 107 consecutive anovulatory women were included in this prospective cohort study. Patients with other causes of infertility were also excluded from the study.

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Background: Previous studies have revealed menstrual changes following coronavirus disease-19 (COVID-19) disease. The potential impact of COVID-19 on female reproductive organs, ovary in particular, has not been investigated thoroughly.

Aims: The aim of this study was to evaluate changes in serum levels of follicle-stimulating hormone (FSH), luteinising hormone (LH) and oestradiol (E2) following COVID-19 disease as a surrogate for the detection of ovarian vulnerability to SARS-CoV-2 infection.

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In this study, we aimed to evaluate the effect of infertility duration and dominant follicle size measured on the day of human chorionic gonadotropin (HCG) administration on pregnancy rates in infertile women undergoing ovulation induction (OI) with gonadotropin (GND). A total of 352 patients aged 20 to 41 years who were diagnosed with unexplained infertility or polycystic ovary syndrome (PCOS) were included in this study. Patients with a history of multifollicular development or follicle stimulating hormone (FSH) value more than 12 IU/ml were excluded from the study.

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Polycystic ovary syndrome (PCOS) is a common, complex endocrine, and metabolic disorder. Inflammation has been thought to play an important role in PCOS pathogenesis in recent years, and various inflammatory markers have been investigated; however, no definite conclusion has been reached. As a multifunctional regulatory protein in different inflammatory processes, calprotectin may play a role in the etiology of PCOS.

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Objective: In this study, levels of progranulin (PGRN) and tumor necrosis factor-alpha (TNF-α) were measured to detect the presence of inflammation in lean polycystic ovary (PCOS) patients.

Methods: 40 lean PCOS patients were assessed by Rotterdam criteria. Forty healthy women with regular menstrual cycles and without biochemical and clinical hyperandrogenism were involved in our study.

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Background: Although infertility is known as a chronic inflammatory condition, the effect of the increased inflammatory response on IUI success is not clear. Systemic inflammation can be calculated by applying various hematological markers.

Aims: We aimed to evaluate the ability of hematologic parameters of inflammation in predicting intrauterine insemination (IUI) outcome.

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Background: We investigated the impact of the choice of catheter type and tenaculum use on pregnancy related outcomes in intrauterine insemination (IUI) treatments.

Materials And Methods: A total of 338 consecutive IUI cycles were assessed in this retrospective study. Participants were divided according to the insemination technique - soft catheter (group 1; n=175), firm catheter (group 2; n=100), or tenaculum (group 3; n=63).

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Objective: We searched thiol/disulphide homeostasis and ischemia modified albumin (IMA) in patients with and without endometrial polyp (EP) to evaluate whether there is an association between serum oxidative stress markers and EPs.

Methods: A total of 87 women were enrolled into this study. All patients were evaluated with office hysteroscopy, and then those with EPs underwent operative hysteroscopy.

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Aim The main purpose of this study is the determination of serum epididymis protein 4 (HE4) levels in women diagnosed with polycystic ovary syndrome (PCOS) and comparison with non-PCOS healthy controls. Methods All consecutive women, who applied between January 2017 and June 2017 to the gynecology outpatient clinics at the Zekai Tahir Burak Women's Health Training and Research Hospital and met the study criteria, were included in this cross-sectional study. Serum human epididymis protein 4 (HE4) concentrations were measured in each woman and the mean values were compared between the PCOS and non-PCOS groups.

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Background: The underlying cause of seasonal infertility in humans is unclear, but is likely to be -multifactorial.

Objective: The aim of our study was to compare the pregnancy rates among infertile women who underwent induced ovulation and intrauterine insemination (IUI) with the season in which the fertility treatment was performed.

Design And Setting: This retrospective cohort study was conducted on 466 patients who were treated in the reproductive endocrinology and infertility outpatient clinic of a tertiary-level women's healthcare and maternity hospital.

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Background: Polycystic ovary syndrome (PCOS) is one of the most common endocrine disorders in women of reproductive age. The etiopathogenesis of the disease remains uncertain. Additionally, a full consensus has not been reached regarding PCOS diagnostic criteria.

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: We aimed to investigate serum dynamic thiol and disulfide levels in patients with molar pregnancy (MP), and compare these concentrations with those of healthy pregnant women. Forty-one patients who were diagnosed with MP and 41 gestational age-matched healthy pregnant women were included in this prospective study. MP cases were separated in two groups as complete hydatidiform mole (CHM) and partial hydatidiform mole (PHM).

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The purpose of this study was to assess the rate of insulin resistance (IR) and the relationship between IR and high-molecular weight adiponectin (HMWA) in patients with polycystic ovary syndrome (PCOS). A cross sectional study involving 43 women with PCOS and 39 normal women was carried out over a period of nine months. Fasting glucose and insulin levels, lipid parameters and androgen levels were measured in all serum samples.

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A disintegrin-like and metalloproteinase domain with thrombospondin-type 1 motifs (ADAMTS) protein superfamily includes 19 secreted metalloproteases. Proteolytic substrates of ADAMTS enzymes have been linked to female reproductive function. Herein, we aimed to investigate serum ADAMTS-1, -9 and -20 levels in women with and without endometrial polyps (EPs).

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Objective: This study aimed to evaluate the association between subclinical hypothyroidism and thyroid autoantibodies with clinical pregnancy rate after intrauterine insemination (IUI) in euthyroid women.

Methods: In this prospective cohort study, we recruited 497 women who underwent IUI treatment. We assessed thyroid function tests, thyroid antibodies and clinical pregnancy rates of the patients.

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The relationship between metabolic syndrome (MetS) and menopause remains unclear. The effects of MetS on breast and bone density in this group of women are also not fully elucidated. Herein, we aimed to investigate the relationship between components of the MetS, mammographic breast density (MBD), and vertebral/femoral bone mineral density (BMD) in postmenopausal Turkish women.

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Objective: To evaluate the effect of a pre-procedural information video on anxiety levels in patients undergoing hysterosalpingography (HSG).

Material And Methods: Among a total of 131 primary or secondary infertile patients, 66 were shown an information video and 67 control patients received standard care between August 2014 and January 2016. The video included information on the procedure, personnel, and the room for the procedure; the video was shown on the morning of the procedure.

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Introduction: Antiphospholipid syndrome, uterine anomalies, and chromosomal aberrations are identifiable causes of recurrent pregnancy loss (RPL). Herein, our aim is to investigate the relationship between celiac disease (CD) specific antitransglutaminase antibodies (ATA) and unexplained RPL.

Materials And Methods: This was a cross sectional case-control study conducted on 86 women (45 RPL and 41 controls) in a tertiary level maternity hospital.

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A disintegrin-like and metalloproteinase domain with thrombospondin-type 1 motifs (ADAMTS) protein superfamily includes 19 secreted metalloproteases. Proteolytic substrates of ADAMTS enzymes have been linked to reproductive function. The aim of this study was to investigate serum ADAMTS-3, -13, -16, and -19 levels in women with habitual abortions compared with those in healthy controls.

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Background: Polycystic ovary syndrome (PCOS) is highly associated with an ovulatory infertility, features of the metabolic syndrome, including obesity, insulin resistance and dyslipidemia. Serum concentrations of high sensitive C-reactive protein (hs-CRP) were significantly higher in obese than in non-obese PCOS patients at baseline, suggesting a relationship between elevated hs-CRP levels and obesity. The aim of this study was to evaluate whether cycle day 3 hs-CRP levels before clomiphene citrate (CC) treatment would predict cycle outcomes in women with PCOS.

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Objective: ADAMTS-1 is a matrix metalloproteinase which cleaves versican in the cumulus oocyte complex under the effect of luteinizing hormone surge in the periovulatory period. Altered levels may have a role in the pathogenesis of polycystic ovary syndrome (PCOS). We aimed to determine the serum versican and ADAMTS-1 (a disintegrin and metalloproteinase with thrombospondin motif-1) levels in PCOS patients and compare the results with healthy controls.

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Background: Intrauterine insemination (IUI) is a commonly used procedure to increase the infertile couples' chance of pregnancy. Single or double insemination and different timing choices are modifications of this intervention. The aim of this study was to elucidate the effect of the IUI procedure on clinical pregnancy rates when performed at 24 hours or 36 hours after ovulation triggered by human chorionic gonadotropin (hCG) following ovulation induction with gonadotropins.

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Article Synopsis
  • The study aimed to assess the link between umbilical cord entanglement (nuchal cord) around the fetal neck and negative perinatal outcomes.
  • The research involved comparing perinatal outcomes of 218 pregnancies with nuchal cords to 190 uncomplicated pregnancies, focusing on factors like umbilical cord pH, APGAR scores, and cesarean section rates.
  • Results indicated no significant differences in adverse outcomes between the two groups, suggesting that umbilical cord entanglement does not necessarily lead to harmful effects on the fetus, implying that intensive monitoring for nuchal cords during labor may not be required.
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Objective: To evaluate the impact of intrauterine insemination timing performed 24 or 36 h later following ovulation trigger on clinical pregnancy rate during ovulation induction with clomiphene citrate among infertile women was the objective of this study.

Methods: The medical records of 280 infertile patients who have underwent ovulation induction by using clomiphene citrate have been evaluated and cycle outcomes of the patients have been investigated specifically based on the timing of intrauterine insemination during the treatment cycle.

Results: The clinical pregnancy rate of the study group based on the timing of intrauterine insemination (24 vs.

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