Obstetric anesthesia and perinatal morbidity.
D000765:Anesthesia, Conduction / Q000009:adverse effects; D000768:Anesthesia, General / Q000009:adverse effects; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D005260:Female; D005313:Fetal Death / Q000209:etiology; D006801:Humans; D054238:Perinatal Mortality; D011247:Pregnancy