Perineal massage. Effect on the incidence of episiotomy and laceration in a nulliparous population.
D000328:Adult; D004841:Episiotomy / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008405:Massage / Q000379:methods; D010298:Parity; D010502:Perineum / Q000293:injuries; D011247:Pregnancy