نتایج جستجو برای: maternal portion placenta
تعداد نتایج: 180488 فیلتر نتایج به سال:
OBJECTIVES To review cases of placenta previa in the last 13 years in a tertiary teaching hospital to identify risk factors for maternal morbidity. METHODS A retrospective analysis of all cases of placenta previa managed at King Abdulaziz University Hospital (KAUH), Jeddah, Kingdom of Saudi Arabia from January 2001 to December 2013. RESULTS The total number of deliveries was 55,862 deli...
Introduction: The delivery of placenta and membranes (third stage of labor) is an important stage of delivery. Complications of this stage can increase maternal mortality rate. There is controversy regarding the routine use of oxytocic drugs in this stage of labor. These drugs may shorten duration of third stage but have side effects. Furthermore, management of delivery in physiologic way cause...
Placenta is the most important and vital organ of intrauterine life. It is fountainhead of human existence. The placenta is formed from elements of membrane which surround the developing fetus and the uterine endometrium and provide the means for physiological exchange between the fetal and maternal circulation and it shows various histological and histochemical changes in case of diabetic moth...
BACKGROUND To investigate mechanisms of fetal-maternal cell interactions in the bovine placenta, we developed a model of transgenic enhanced Green Fluorescent Protein (t-eGFP) expressing bovine embryos produced by nuclear transfer (NT) to assess the distribution of fetal-derived products in the bovine placenta. In addition, we searched for male specific DNA in the blood of females carrying in v...
OBJECTIVE Although repeat cesarean deliveries often are associated with serious morbidity, they account for only a portion of abdominal deliveries and are overlooked when evaluating morbidity. Our objective was to estimate the magnitude of increased maternal morbidity associated with increasing number of cesarean deliveries. METHODS Prospective observational cohort of 30,132 women who had ces...
Placental transfer of maternal IgG antibodies to the fetus is an important mechanism that provides protection to the infant while his/her humoral response is inefficient. IgG is the only antibody class that significantly crosses the human placenta. This crossing is mediated by FcRn expressed on syncytiotrophoblast cells. There is evidence that IgG transfer depends on the following: (i) maternal...
Squamate reptiles (lizards and snakes) are an ideal model system for testing hypotheses regarding the evolution of viviparity (live birth) in amniote vertebrates. Viviparity has evolved over 100 times in squamates, resulting in major changes in reproductive physiology. At a minimum, all viviparous squamates exhibit placentae formed by the appositions of maternal and embryonic tissues, which are...
Background: In situations of a morbidly adherent placenta, studies have shown that maternal serum alfa feto protein (AFP) is clinically high. Objective: To examine the association placenta (MAP) in pregnant women with previa (PP) and their AFP biomarker. Methods: A prospective observational study was conducted Department Obstetrics Gynecology at Azadi Teaching Hospital, Kirkuk, Iraq during peri...
Objectives: To analyze major image features of ultrasonography and magnetic resonance imaging (MRI), as well as the agreement between the two methods for the diagnosis of placenta accreta. Methods: A retrospective analysis was performed on 378 highly suspected cases of placenta accreta in Obstetrics and Gynaecology Hospital of Fudan University, by comparing ultrasound and MRI results with postp...
BACKGROUND In the human placenta, maternal and fetal bloods exchange substances through the surface of the villous trees: the fetal blood circulates in the villous trees, around which the maternal blood circulates. The blood flows directly influence fetal growth. Stem villi, the main supports of the villous tree, have contractile cells along the axes, whose contractions are expected to influenc...
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