“…Overall, we identified 25 studies investigating the impact of obstetric factors on UI after childbirth: 10 cross-sectional studies [35,36,37,38,39,40,41,42,43,44]; 11 cohort studies [45,46,47,48,49,50,51,52,53,54,55]; 3 case-control studies [56,57,58], and 1 quasi-RCT [34]. Perineal tears [41] and episiotomy [34] do not seem to negatively affect urinary continence status at 1 and 4 years [34,41] post partum, respectively.…”