Relations between gestation period and certain maternal and foetal factors.
D000293:Adolescent; D000328:Adult; D001724:Birth Weight; D036861:Delivery, Obstetric; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D011247:Pregnancy; D012737:Sex Factors