Article
Maternal Age, Parity and Isolated Birth Defects: A Population-Based Case-Control Study in Shenzhen, China
25 Nov 2013
Abstract excerpt
BACKGROUND: The etiology of birth defects has been widely studied but is not yet fully clarified, previously published data had suggested that maternal age or parity maybe involved, but without consistent conclusions. METHODS: A population-based, case-control study was nested in a cohort of perinatal infants born from 2010 to 2012 in Baoan District, Shenzhen. Four categories of isolated birth defects were defined...
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