نتایج جستجو برای: placentation
تعداد نتایج: 1778 فیلتر نتایج به سال:
prevalence of abortion is higher in women with autoimmune thyroid disease. in the majority of cases, however, no abnormality of thyroid function is detected despite the high levels of antithyroid antibodies. the direct influence of such harmful autoantibodies in female reproductive organs may serve a role in pregnancy loss. in this study, expression of thyroglobulin in the reproductive tissues ...
Viviparity and placentation have evolved from oviparity over 100 times in squamate reptiles (lizards and snakes). The independent origins of placentation have resulted in a variety of placental morphologies in different taxa, ranging from simple apposition of fetal and maternal tissues to endotheliochorial implantation that is homoplasious with mammalian placentation. Because the eggs of ovipar...
Background When placenta accreta complicates a delivery, the typical management is to perform a cesarean hysterectomy. Other management strategies, including leaving the placenta in situ, have been attempted and supported in some cases. This may allow for an interval hysterectomy, which can potentially decrease average blood loss and/or allow a minimally invasive approach to the hysterectomy. C...
OBJECTIVE When uterotonics fail to cause sustained uterine contractions and satisfactory control of hemorrhage after delivery, tamponade of the uterus can be effective in decreasing hemorrhage secondary to uterine atony. STUDY DESIGN These data are from a postmarketing surveillance study of a novel dual-balloon catheter tamponade device, the Belfort-Dildy Obstetrical Tamponade System (ebb). ...
Due to the growing number of cesarean deliveries, the frequency of abnormally invasive placentation is increasing. The optimal management of this condition remains unclear. This article reviews the efficacy and safety of conservative management of abnormally invasive placentation. We performed a MEDLINE and Embase search and reviewed all articles on conservative management of abnormally invasiv...
Placental invasiveness-the number of maternal tissue layers separating fetal tissues from maternal blood-is variable across mammalian species. Although this diversity is likely to be functionally important, variation in placental invasiveness remains unexplained. Here we test the hypothesis that increased risk of transplacental transmission of pathogens from the mother to the fetus promotes the...
OBJECTIVES To investigate whether the addition of maternal serum placental growth factor (PlGF) measured at 11-13 weeks' gestation improves the performance of screening for stillbirths that is achieved by a combination of maternal factors and first-trimester biomarkers such as maternal serum pregnancy-associated plasma protein-A (PAPP-A), fetal ductus venosus pulsatility index for veins (DV-PIV...
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