نتایج جستجو برای: first and second trimester screening
تعداد نتایج: 17012020 فیلتر نتایج به سال:
there has been a gradual shift of focus from the study of rule systems, which have increasingly been regarded as impoverished, … to the study of systems of principles, which appear to occupy a much more central position in determining the character and variety of possible human languages. there is a set of absolute universals, notions and principles existing in ug which do not vary from one ...
objective: to study the pregnancy outcomes in first trimester vaginal bleeding. materials and methods: this cross sectional study was done on 60 pregnant women with first trimester vaginal bleeding referring to university hospitals affiliated to islamic azad university, tehran, iran. all women were evaluated for the outcomes including abortion, preterm rapture of membranes, preterm labor, secon...
Pathologic exa mination o f t he p roducts o f em bryos a nd fetuses, both from spontaneous abortions (SAbs) and terminations of pregnancy, has become increasingly important. While s uch exa mination wa s o nce p erformed p rimarily for t he p urpose o f f urthering s cientiἀc un derstanding o f prenatal human development, the practical medical applications of this knowledge have become clear a...
Antenatal screening for fetal anomalies has provided women and their partners with information to make reproductive choices based on the risk of serious chromosomal or structural defects since the 1990s. Alternative tests include first-trimester screening (combined ultrasound and maternal serum markers), second-trimester maternal serum markers and noninvasive cell-free DNA testing. The recent r...
OBJECTIVE To examine the performance of Integrated Down syndrome screening (first- and second-trimester measurements integrated into a single screening test) when ratios of the levels of the same serum markers measured in both these trimesters (cross-trimester ratios) are added as new screening markers. METHODS Using data from Serum Urine and Ultrasound Screening Study (SURUSS), second-trimes...
abstract : the purpose of this research is to study a bout multiple manifestations of poem music in hakim sanaee ghaznavi poems yherefore the first seetion of this book study and describes the complete works of this research about poem music love poem sanaee poem and this known and famous poets life and works the second section explained the external music of sanaee poems that for better u...
background: abnormal levels of the markers afp, hcg, and ue3 could be useful in predicting adverse pregnancy outcomes. this study was designed to determine the correlation between second trimester maternal serum markers and adverse pregnancy outcome (apo). methods: in this historical cohort study, we randomly followed 231 obstetric patients with quadruple screening test in 14-18 weeks of gestat...
Background and Objectives: several investigations have been done to evaluate the effect of Ramadan fasting on fetal and maternal health, which have all led to controversial results. The role of Ramadan fasting time in birth weight is still unclear. This study evaluated the effect of fasting at different periods of pregnancy on birth weight. Methods: 250 pregnant women fasting at least one day d...
dicephalic parapagus tribrachius conjoined twin is a very rare condition. we present a case of 5-days-old male dicephalic parapagus conjoined twins. the conjoined twins were diagnosed in 4(th) month of pregnancy by ultrasonography. the pregnancy terminates at 36 weeks by cesarean section and triplets were born. the babies were male conjoined twins and another healthy male baby. many congenital ...
OBJECTIVE To estimate the effectiveness of second-trimester genetic sonography in modifying Down syndrome screening test results. METHODS The First and Second Trimester Evaluation of Risk (FASTER) aneuploidy screening trial participants were studied from 13 centers where a 15- to 23-week genetic sonogram was performed in the same center. Midtrimester Down syndrome risks were estimated for fiv...
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