Complications of multiple gestation.
D000022:Abortion, Spontaneous / Q000209:etiology; D000740:Anemia / Q000209:etiology; D000773:Anesthesia, Obstetrical; D001510:Bed Rest / Q000191:economics; D002585:Cesarean Section; D000013:Congenital Abnormalities / Q000209:etiology; D003362:Cost-Benefit Analysis; D005314:Embryonic and Fetal Development; D005260:Female; D005325:Fetal Organ Maturity; D006801:Humans; D008168:Lung / Q000196:embryology; D007752:Obstetric Labor, Premature / Q000209:etiology / Q000517:prevention & control; D010062:Ovulation Induction; D006831:Polyhydramnios / Q000209:etiology; D011225:Pre-Eclampsia / Q000209:etiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology*; D011272:Pregnancy, Multiple