Imaging and hysteroscopic findings in a patient with postpartum hemorrhage caused by acquired uterine arteriovenous fistulasSijie Yi,a, * Xia Jin,b, * Yuanhuan Xiong,c Xiuxiu Pengda Department of Obstetrics and Reproductive Health, Affiliated People’s Hospital of Nanchang University, Nanchang, Chinab Department of Anesthesia, Affiliated People’s Hospital of Nanchang University, Nanchang, Chinac Department of Gynecology, Affiliated People’s Hospital of Nanchang University, Nanchang, Chinad Medical Department, Graduate School, Nanchang University, Nanchang, ChinaCorrespondence: Yuanhuan Xiong, Department of Gynecology, Affiliated People’s Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China.Email: xiongyuanhuan@163.com*These authors contributed equally to the manuscript.Running head: acquired uterine arteriovenous fistulas