General versus epidural?
D000767:Anesthesia, Epidural; D000768:Anesthesia, General / Q000009:adverse effects; D000773:Anesthesia, Obstetrical / Q000009:adverse effects / Q000379:methods*; D002585:Cesarean Section; D005260:Female; D006801:Humans; D008428:Maternal Mortality; D011247:Pregnancy