1. Manual rotation of occiput posterior or transverse positions: a systematic review and meta-analysis of randomized controlled trials;Bertholdt;Am J Obstet Gynecol,2021
2. Clinical effectiveness of position management and manual rotation of the fetal position with a U-shaped birth stool for vaginal delivery of a fetus in a persistent occiput posterior position;Yang;J Int Med Res,2020
3. Changes in fetal position during labor and their association with epidural analgesia;Lieberman;Obstet Gynecol,2005
4. Prophylactic rotation for malposition in the second stage of labor: a systematic review and meta-analysis of randomized controlled trials;Burd;Am J Obstet Gynecol MFM,2022