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Babies in occiput posterior position are significantly more likely to require an emergency cesarean birth compared with babies in occiput transverse position in the second stage of labor: A prospective observational study.
Tempest N, Lane S, Hapangama D; UK Audit Ressearch Trainee Collaborative in Obstetrics, Gynecology (UK-ARCOG). Tempest N, et al. Acta Obstet Gynecol Scand. 2020 Apr;99(4):537-545. doi: 10.1111/aogs.13765. Epub 2019 Dec 12. Acta Obstet Gynecol Scand. 2020. PMID: 31667835 Free PMC article.