Open J Obstet Gynecol 2014 Apr;4(6):266-278
School of Nursing, University of Michigan, Ann Arbor, Michigan, USA ; Department of Obstetrics and Gynecology, School of Medicine, University of Michigan, Ann Arbor, Michigan, USA.
Objective: To determine which maternal characteristics or birth events independently predict severity of levator ani muscle (LA) tears at first vaginal birth in a longitudinal/observational investigation in a tertiary care hospital.
Sample: Ninety primiparas with at least one at risk for LA tear inclusion factor at vaginal birth: maternal age ≥ 33 years, second stage ≥ 150 minutes, macrosomia, instrumented delivery, and/or anal sphincter laceration were studied.
Methods: Magnetic Resonance Imaging (MRI) was obtained early postpartum (mean ± sd 48. Read More