نتایج جستجو برای: crown rump length crl
تعداد نتایج: 326037 فیلتر نتایج به سال:
OBJECTIVE In a refugee camp on the Thai-Burmese border, accurate dating of pregnancy relies on ultrasound measurements obtained by locally trained health workers. The aim of this study was to substantiate the accuracy of fetal biometry measurements performed by locally trained health workers by comparing derived reference equations with those published for Asian and European hospitals. METHOD...
Background & Objective: Due to the relevant use of aspirin to relieve pain and common symptoms of gastric ulcer and possible malicious effects on fetus, this study investigates the histomorphologic effects of aspirin on the stomach tissue in rat embryos. Materials & Methods: In this experimental study, 30 pregnant female rats were randomly divided into six groups including control group wi...
Background A significant number of pregnancies, particularly in women with previous histories of infertility, are associated with fetal abnormalities. Methods such as the nuchal translucency (NT) measurement enable us to identify more pregnancies with chromosomal abnormalities. MaterialsAndMethods This analytic cross-sectional study was performed in 446 pregnant women at 11-14 weeks gestation, ...
OBJECTIVE To examine whether first trimester fetal growth restriction correlates with cardiovascular outcomes in childhood. DESIGN Population based prospective cohort study. SETTING City of Rotterdam, the Netherlands. PARTICIPANTS 1184 children with first trimester fetal crown to rump length measurements, whose mothers had a reliable first day of their last menstrual period and a regular ...
for the first time, a spectrum of morphological abnormalities have been produced in developingmouse embryos (n=50), by injecting (ip) 75 and 100 mg/kg of maternal body weight of a new quinazolinonederivative, 4(3h)quinazolinone-2-propyl-2-phenylethyl(qppe), on days 9, 10 and 11 of gestation.measurements of the length of the crown-rump (cr), weight of body of the embryos and placenta on day 17sh...
OBJECTIVE To determine the value of measuring fetal ear length at 11-14 weeks of gestation in screening for chromosomal defects. METHODS The fetal ear length was measured in 450 fetuses immediately before chorionic villus sampling for karyotyping at 11-14 weeks of gestation. RESULTS The median gestational age was 12 (range, 11-14) weeks. The fetal ear was successfully examined in all cases....
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