Spinal anaesthesia by the obstetrician.
D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D005113:Extraction, Obstetrical; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D009321:Natural Childbirth; D011247:Pregnancy