A prior cesarean section and incidence of obstetric anal sphincter injury



: Raisanen S, Vehvilainen-Julkunen K, Cartwright R, Gissler M, Heinonen S

Publisher: SPRINGER LONDON LTD

: 2013

: International Urogynecology Journal

: INTERNATIONAL UROGYNECOLOGY JOURNAL

: INT UROGYNECOL J

: 24

: 8

: 1331

: 1339

: 9

: 0937-3462

DOI: https://doi.org/10.1007/s00192-012-2006-6


Prior CS is a significant risk factor for OASIS at the first vaginal delivery. This suggests that relative fetopelvic disproportion leading to CS for a first delivery also predisposes to OASIS at a first vaginal delivery since 40 % of the increased incidence of OASIS risk was explained by birthweight and 4 % by maternal height.



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