Obstetrical outcomes of labor with and without analgesia in Robson classification groups 1 and 2a: a single-center retrospective study.
Taro YagiYasuto KinoseMichiko BunMegumi HoraiChie MatsudaTatsuya MiyakeKazuya MimuraChiyo OtakiMasayuki EndoTadashi KimuraPublished in: Journal of anesthesia (2022)
A higher CS rate was observed in deliveries with analgesia than in those without analgesia both in the Robson group 1 and group 2a pregnancies.