Risk factors for birth trauma and postpartum posttraumatic stress in the United Kingdom: Results from the international survey of childbirth-related trauma英国出生创伤和产后创伤后应激的危险因素:来自国际分娩相关创伤调查的结果Acta Obstetricia et Gynecologica ScandinavicaIF3.12026-05-040OAAI