Of the 1280 women in the study, 416 (33 per cent) had an epidural during childbirth, of whom 172 (41 per cent) also underwent cesarean section.

• 参加该项研究的1280名妇女中，416名（33%25）妇女分娩时应用硬膜外麻醉，其中172名（41%25）妇女行剖宫产术。