Birthweights in consecutive pregnancies.
D000022:Abortion, Spontaneous; D001722:Birth Order; D001724:Birth Weight; D001827:Body Height; D001835:Body Weight; D004487:Edema; D005260:Female; D005313:Fetal Death; D005500:Follow-Up Studies; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications; D013997:Time Factors