Researcher:
Yağmur, Hande

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Doctor

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Hande

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Yağmur

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Yağmur, Hande

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2016 - 20193

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Researcher Of Publications: search.filters.isAuthorOfPublication.8aa5a500-7177-44ab-ac92-5907001c3cbd

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Now showing 1 - 3 of 3
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    Reproductive aspects of systemic lupus erythematosus
    (Elsevier, 2016) N/A; N/A; Öktem, Özgür; Yağmur, Hande; Bengisu, Hale; Urman, Cumhur Bülent; Faculty Member; Doctor; Doctor; Faculty Member; School of Medicine; N/A; N/A; School of Medicine; N/A; Koç University Hospital; Koç University Hospital; N/A; 102627; N/A; N/A; 12147
    Systemic lupus erythematosus (SLE) is an auto-immune systemic disease showing a strong predilection for women of reproductive age. Higher prevalance of SLE among young women are in part accounted for by the effects of estrogen hormone on immune system. The key pathophysiological features of this disease are the generation of autoantibodies and the deposition of antibody-antigen complexes in the basal membranes of the organs where they evoke inflammatory responses and injury. Young females diagnosed with SLE are more prone to developing a multitude of adverse reproductive and obstetric outcomes, especially in the presence of active disease. Our motivation in writing this review article is to outline the recent interesting findings of molecular and clinical studies showing multi-faceted roles of estrogen hormone in both normal immune function and auto-immunity and to provide an update on the ovarian function and other poor reproductive outcomes in young females with SLE.
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    Short and long term outcomes of children conceived with assisted reproductive technology
    (Elsevier Science Bv, 2016) Seyhan, Ayşe; Türkgeldi, Engin; Yağmur, Hande; Urman, Cumhur Bülent; Ata, Mustafa Barış; Faculty Member; Doctor; Faculty Member; Faculty Member; School of Medicine; N/A; School of Medicine; School of Medicine; Koç University Hospital; 329649; N/A; 12147; 182910
    Despite their wide and global use, possible short and long-term effects of fertility treatments on children is not well-established. In this review, birth defects and perinatal complications and their relationship with assisted reproductive technology (ART), along with long-term effects of ART on cardiovascular system, metabolism, behavior, cognitive skills, and childhood cancers are discussed. Children conceived through ART are at increased risk for birth defects and perinatal complications such as preterm delivery, low birth weight and small for gestational age. Parental characteristics, underlying infertility etiology and ART procedures themselves may contribute to this. The long-term effects of ART are difficult to establish. Studies so far report that ART children have normal social, emotional, cognitive, and motor functions. LikewiSe, despite some minor inconsistencies in some studies, they do not seem to be at increased risk for childhood cancers. However, there are a number of studies that imply vascular system may be adversely affected by ART and its possible consequences should be further investigated with follow up studies. Large scale studies with long-term follow up periods are required to deterinine the effects of ART on conceived children.
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    PublicationOpen Access
    Spontaneous and in vitro fertilization pregnancies have comparable first trimester screening profiles for Down syndrome
    (Galenos Yayınevi, 2019) Güzel, Yılmaz; Salar, Zeki; Balaban, Başak; N/A; Urman, Cumhur Bülent; Öktem, Özgür; Türkgeldi, Engin; Yağmur, Hande; Faculty Member; Faculty Member; Doctor; School of Medicine; 12147; 102627; N/A; N/A
    Objective: we aimed to compare the first trimester screening profiles of spontaneous (n=972) and in in vitro fertilization (IVF) pregnancies (n=339) in a population of patients who had uncomplicated singleton pregnancies comparable for maternal age, gestation, body mass index, and ethnicity. Material and methods: a non-interventional analysis of retrospective cohort data and review of the literature. Results: all IVF pregnancies were achieved via intracytoplasmic sperm injection using the same ovarian stimulation protocol with recombinant follicle-stimulating hormone and a gonadotropin-releasing hormone antagonist, cetrorelix acetate. The means of the multiple of median (MoM) of pregnancy-associated plasma protein-A (PAPP-A) were slightly lower in the fresh (1.19 +/- 0.6 vs 1.33 +/- 0.7, respectively; p=0.056) and frozen embryo transfer (1.03 +/- 0.5 vs 1.33 +/- 0.7, respectively; p=0.036) IVF pregnancies compared with natural conceptions. However, when the medians of the MoMs of PAPP-A and beta-human chorionic gonadotrophin (beta-hCG), and their distributions were compared across the mode of conception, there were no differences between IVF pregnancies spontaneous pregnancies. Furthermore, the scatterplot diagram and curve fitting regression analyses revealed no difference in the temporal relations of beta-hCG and PAPP-A with each other and gestational age between spontaneous and IVF pregnancies. Conclusion: these results support the notion that uncomplicated singleton IVF pregnancies have similar first trimester screening profiles to spontaneous conceptions.