Pregnancy and birth history of newborns with trisomy 18 or 13: a pilot study.
D000328:Adult; D002882:Chromosomes, Human, Pair 13; D002887:Chromosomes, Human, Pair 18; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D010865:Pilot Projects; D011247:Pregnancy; D017584:Reproductive History; D014314:Trisomy