RoosAMThakarRSultanAH. Outcome of primary repair of obstetric anal sphincter injuries (OASIS): does the grade of tear matter?Ultrasound ObstetGynecol2010; 36: 368–374.
2.
ChenYLiF-YLinXChenCGuessMK. The recovery of pelvic organ support during the first year postpartum. BJOG2013; 120: 1430–1437.
3.
HandaVLBlomquistJLMcDermottKCFriedmanSMunozA. Pelvic floor disorders after vaginal birth. Effects of episiotomy, perineal laceration, and operative birth. ObstetGynecol2012; 119: 233–239.
