[Parental age and sex of the newborns].
D000328:Adult; D000367:Age Factors; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D008875:Middle Aged; D010290:Parents; D012744:Sex Ratio
O vliianii vozrasta roditeleĭ na pol novorozhdennogo.