نتایج جستجو برای: first and second trimester screening
تعداد نتایج: 17012020 فیلتر نتایج به سال:
Introduction & Objective:The use of medications during pregnancy poses a potential risk to both mother and the fetus. FDA classifies various drugs used in pregnancy, and provides therapeutic guidance for the clinician .The purpose of this study was to determine the pattern of drug consumption during pregnancy. Materials & Methods: This descriptive-analytic study was performed using questionnai...
Background & Aims: Thyroxin is important for the development of fetus brain during early pregnancy. Low body iodine stores during gestation may be present as hypothyroidism in the mother and/or dysfunction in the fetus nervous system. The aim of the present study was to evaluate the trend of urinary iodine excretion (UIC) during pregnancy in Zive District of Urmia County. Materials & Me...
There is extensive evidence that effective screening for major chromosomal abnormalities can be provided in the first trimester of pregnancy. Randomized studies have established that the risk of miscarriage from chorionic villus sampling in the first trimester is the same as for amniocentesis in the second trimester. Prospective studies have demonstrated that screening by a combination of fetal...
Background: The aim of this perspective study was to assess the frequency of hemoglobinopathy mutational genes among voluntary hemoglobinopathy carrier couples-to-be referred to thalassemia center, Shafa hospital, affiliated to Ahvaz Jondidishapur University of Medical Sciences (AJUOMS), during their first trimester of pregnancy for genetic screening and counseling for prenatal diagnosis (PND)....
OBJECTIVE The objective of the study was to examine the association between placental abruption, maternal characteristics, and routine first- and second-trimester aneuploidy screening analytes. STUDY DESIGN The study consisted of an analysis of 1017 women with and 136,898 women without placental abruption who had first- and second-trimester prenatal screening results, linked birth certificate...
on this project we try to calculated power of hydrogen on dycarbonil compound in different ways ; the first way is shoster way , for sain power of hydrogen notice the different power between central conforms on it and main conform that’s didn’t have hydrogen joint . or in other way different of energy between open and close form. second way, is average way? this is for way that studied conf...
OBJECTIVE To demonstrate the potential value of screening for Down's Syndrome using highly correlated repeated measures of serum markers taken in the first and second trimesters of pregnancy. DESIGN A Monte Carlo simulation study. POPULATION Detection rates and false positive rates relating to the maternal age distribution of England and Wales for the period 1996 to 1998 were obtained using...
OBJECTIVES Document patient choices and screening performance (false positive and detection rates) when three improved Down syndrome screening protocols were introduced coincidentally. METHOD Second-trimester 'triple marker' screening was expanded by adding second-trimester dimeric inhibin-A (four-marker), with or without first-trimester pregnancy-associated plasma protein-A (five-marker). Nu...
the purpose of this study was to examine the comparative effect of story retelling and role playing on efl learners’ vocabulary learning and reading comprehension. to carry out the purpose of the study 90 female learners of tabarestan language school located in noshahr were non-randomly selected. they took pet test and among these 90 participants 62 students were selected as homogenous learners...
the search continues for a safe effective and cheap method for mid-trimester termination of pregnancy. misoprostol is a strong contender in this respect. the dose schedule is still not fixed. the objective of this study was to compare the efficacy and adverse effects of two dose regimens of vaginal misoprostol for second trimester termination. prospective randomized double blind controlled tria...
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