Smoking and pregnancy.
D001724:Birth Weight; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D012907:Smoking / Q000150:complications*; D000074606:Smoking Prevention; D014592:Uterine Hemorrhage / Q000453:epidemiology*