نتایج جستجو برای: first and second trimester screening
تعداد نتایج: 17012020 فیلتر نتایج به سال:
abstract the aim of this study was threefold: (1) to investigate the relationship between knowledge of semantic prosody and efl learners general language proficiency; (2) to examine the relationship between qualitative as well as quantitative knowledge of words, and (3) to compare the performance of efl learner on receptive and productive measures of semantic prosody. the study is based on a...
The incidence of multifetal pregnancies has increased dramatically over the past two decades, mainly because of the widespread use of ovulation induction agents and assisted reproduction techniques. These techniques have been a matter of concern since twin and higher order pregnancies have long been associated with an increased risk of maternal complications as well as a high prevalence of pren...
the aim of this study has been to find answers for the following questions: 1. what is the effect of immediate correction on students pronunciation errors? 2. what would be the effect of teaching the more rgular patterns of english pronunciation? 3. is there any significant difference between the two methods of dealing with pronuciation errore, i. e., correction and the teaching of the regular ...
OBJECTIVES The cost-effectiveness of opportunistic nuchal translucency ultrasound screening in pregnancy was compared with alternative screening strategies for trisomy 21 in Australia. METHODS A decision analytic model was used of various pregnancy screening strategies based on a systematic review of the literature on the effectiveness of nuchal translucency ultrasound and serum screening and...
Introduction: Anemia in pregnancy is a significant public health problem especially in developing countries. Iron deficiency anemia in pregnancy may lead to increased risks of preterm delivery, Low birth weight and still birth. This study was undertaken to detect iron deficiency anemia in pregnant women referring to health care centers of Eslamshahr/Iran. Method: In this study, 266 selected pre...
The incidence of multifetal pregnancies has increased dramatically over the past two decades, mainly because of the widespread use of ovulation induction agents and assisted reproduction techniques. These techniques have been a matter of concern since twin and higher order pregnancies have long been associated with an increased risk of maternal complications as well as a high prevalence of pren...
background: various studies have come to contradictory results regarding the relationship between maternal hemoglobin (hb) level and adverse pregnancy outcomes. the present study aimed to investigate the birth outcomes among pregnant women who had normal hemoglobin levels in the first trimester of their pregnancy. patients and methods: in this prospective study, 108 healthy pregnant women with ...
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