نتایج جستجو برای: birth defects
تعداد نتایج: 250294 فیلتر نتایج به سال:
(Abstracted from BMJ 2020;371:m4060) Birth defects are strong risk factors for childhood cancers. While past studies have identified associations between birth and cancer in children, few looked at these into adulthood.
OBJECTIVES 1) To understand the current prevalence and main types of birth defects, 2) assess the periconceptional exposure of factors associated with birth defects in Shaanxi Province, and 3) provide scientific evidence for local governments to formulate services for the primary prevention of birth defects. METHODS We sampled 16,541 households from 128 townships in 16 counties/districts in S...
INTRODUCTION Ninety-four percent of all birth defects and 95% of deaths due to the birth defects occur in low and middle income countries, Tanzania among them. In Tanzania there are currently limited birth defects prevention strategies in place due to limited information on factors associated with the occurrence of birth defects. METHODS We conducted a case control study that included newborn...
AIM This study sets out (a) to estimate the prevalence of admissions by birth defects, using the official database of hospitals of Ecuador; and (b) to set the basis for a new National Register of Birth Defects in Ecuador that works as a program for the clinical and epidemiological investigation of risk factors in the etiology of congenital anomalies in Ecuadorian hospitals, using a case-control...
BACKGROUND Previous studies of prenatal exposure to drinking-water nitrate and birth defects in offspring have not accounted for water consumption patterns or potential interaction with nitrosatable drugs. OBJECTIVES We examined the relation between prenatal exposure to drinking-water nitrate and selected birth defects, accounting for maternal water consumption patterns and nitrosatable drug ...
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