نتایج جستجو برای: Birth defect
تعداد نتایج: 214686 فیلتر نتایج به سال:
background: to determine the prevalence and characteristics of birth defects in perinatal infants in hubei province during 200l-2008. methods: the prevalence of birth defects in perinatal infants delivered after 28 weeks or more was analyzed in hubei surveillance hospitals during 200l-2008. results: the incidence of birth defects in perinatal infants from 200l to 2008 was 120.0 per 10,000 birth...
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
OBJECTIVE To understand the correlation of lower serum folate, and red blood cell (RBC) folate level with birth defects including unexplained recurrent pregnancy loss, and to evaluate the role of RBC folate level as a suitable marker for folate supplement. METHODS Two hundred and ninety-nine non-pregnant women at child-bearing age with a birth defect history were selected as birth defect grou...
BACKGROUND National assisted reproductive technology (ART) data collections that rely on practitioners' reports of birth defects have consistently reported lower proportions of children with birth defects than record linkage studies that link ART infants to birth and malformation registers. METHODS We compared the birth defect data reported to the national Australian Assisted Conception Data ...
BACKGROUND The purpose of this study was to determine whether the National Health Interview Survey is a useful source to identify informative families for genetic studies of birth defects. METHODS The 1994/1995 National Health Interview Survey (NHIS) was used to identify households where individuals with two or more birth defects reside. Four groups of households were identified: 1) single no...
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