Methods	Random generation: not stated. Allocation concealment: sealed opaque envelopes.
Participants	200 primigravid women with live, singleton fetus, cephalic presentation of at least 37 weeks of gestational age, having a spontaneous vaginal delivery. Women were not suffering from any important medical or psychiatric disorder
Interventions	Elective group: the intention was to perform an episiotomy unless it was considered absolutely unnecessary Selective group: the intention was not to perform an episiotomy unless it was absolutely necessary for maternal or fetal reasons
Outcomes	First, second, third and fourth degree tears, anterior trauma, need for suturing, and neonatal outcomes: Apgar score at 1 and 7 minutes, and stay in neonatal intensive care unit
Notes	Mediolateral episiotomies. Epsiotomy rate were 53% for the restricted group and 83% for the routine group were
Risk of bias
Bias	Authors’ judgement	Support for judgement
Allocation concealment (selection bias)	Low risk	A - Adequate