Multiple gestation.
D000649:Amniocentesis; D000773:Anesthesia, Obstetrical; D001510:Bed Rest; D002585:Cesarean Section; D036861:Delivery, Obstetric / Q000379:methods; D005314:Embryonic and Fetal Development; D005113:Extraction, Obstetrical; D005260:Female; D005323:Fetal Monitoring / Q000379:methods; D005938:Glucocorticoids / Q000627:therapeutic use; D006801:Humans; D007231:Infant, Newborn; D007746:Labor Presentation; D007743:Labor, Obstetric; D007752:Obstetric Labor, Premature / Q000517:prevention & control; D011247:Pregnancy; D011272:Pregnancy, Multiple; D011295:Prenatal Care; D011296:Prenatal Diagnosis / Q000379:methods; D014427:Twins; D014463:Ultrasonography
D005938:Glucocorticoids