title: Data on episiotomy rates need analysis by parity.
authors.forename: R
authors.initials: R
authors.lastname: Greene
authors.forename: F
authors.initials: F
authors.lastname: Gardeil
authors.forename: M J
authors.initials: MJ
authors.lastname: Turner
mesh_terms: D004841:Episiotomy / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D010298:Parity; D010502:Perineum / Q000293:injuries; D011247:Pregnancy; D012421:Rupture / Q000453:epidemiology; D014621:Vagina / Q000293:injuries