نتایج جستجو برای: premature rapture of membranes
تعداد نتایج: 21175280 فیلتر نتایج به سال:
objective: the aim of this study was to estimate the frequency of preterm birth (ptb) and premature rapture of membranes (prom) and their associations with maternal factors. material and methods: this cross sectional study was carried out at akbar-abadi hospital in tehran during january 2009-aprile 2010. four hundred sixty six primiparous women with gestational age more than 20 weeks and single...
premature rupture of membranes (prom) is one of the most common complications of pregnancy that has a major impact on neonatal outcomes. with respect to racial, nutritional and cultural differences between developed and developing countries, this study was conducted to detect the prevalence of neonatal complications following prom and the role of the duration of rupture of membranes in producin...
background: preterm premature rupture of membranes (pprom) occurs in 3% of pregnancies and 30-40% of preterm labors are related to this problem. early diagnosis of pprom is very important due to its impact on pregnancy outcomes. objective: to determine the diagnostic value of aspartate aminotransferase (ast) and alanine aminotransferase (alt) levels in vaginal fluid for the diagnosis of preterm...
asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...
background: rupture of fetal membranes can occur at any gestational age. premature rupture of membranes (prom) means rupture of fetal membranes before the onset of labor. objective: the purpose of this study was to evaluate and compare the reliability of the vaginal washing fluid urea and creatinine for the diagnosis of prom and to determine cut-off values. materials and methods: a total of 179...
background premature rupture of membranes (prom) is one of the most common complications of pregnancy that has a major impact on pregnancy outcomes. a diagnostic tool that is non-invasive, specific and quick is needed to predict prom. the purpose of this study was to evaluate the diagnostic power of the vaginal washing fluid prolactin for the diagnosis of premature rupture of membranes and to d...
asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
introduction: preterm birth is still a major health problem throughout the world, which results in 75% of neonatal mortality. preterm labor not only inflicts financial and emotional distress, it may also lead to permanent disability. the present study was conducted to determine the related risk factors and preventive measures of preterm labor. methods: this retrospective cross-sectional study a...
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