Risk factors for primary and subsequent anal sphincter lacerations: a comparison of cohorts by parity and prior mode of delivery.

@article{Lowder2007RiskFF,
  title={Risk factors for primary and subsequent anal sphincter lacerations: a comparison of cohorts by parity and prior mode of delivery.},
  author={Jerry L. Lowder and Lara J. Burrows and Marijane A. Krohn and Anne M. Weber},
  journal={American journal of obstetrics and gynecology},
  year={2007},
  volume={196 4},
  pages={344.e1-5}
}
OBJECTIVE This study was performed to assess the effect of pregnancy, route of delivery, and parity on the risk of primary and subsequent anal sphincter laceration in women at first vaginal delivery (1st VD), vaginal birth after cesarean delivery (VBAC), or second vaginal delivery (2nd VD). METHODS This retrospective cohort study used data from a perinatal database that included all deliveries at Magee-Womens Hospital from 1995 to 2002. Anal sphincter laceration was the primary outcome… CONTINUE READING