Maternal age in the incidence of pre-term and small-for-dates babies.
D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007236:Infant, Small for Gestational Age; D008423:Maternal Age; D008875:Middle Aged; D011247:Pregnancy