A Simple Model Based on Fetal Head Circumference, Fetal Abdominal Circumference and Angle of Progression to Predict the Difficulty of Operative Vaginal Delivery

CHEN Hui, WU Su-qing, LIANG Xu-xia, ZHANG Shan-shan, MA Yan-hua, HU Qiong-yan

Journal of International Obstetrics and Gynecology . 2023, (5): 507 -513 . DOI: 10.12280/gjfckx.20230209