IRCT138809182699N2 IRCT 2010-03-06 Kashan University of Medical Sciences Comparison of the length of perineal laceration in primiparous women with and without episiotomy, Shabikhani hospital in Kashan Comparison of the length of perineal laceration in primiparous women with and without episiotomy, Shabikhani hospital in Kashan 2006-11-11 anticipated Complete https://irct.ir/trial/2507 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention. N/A Delivery with episiotomy. Intervention 1: Episiotomy. Intervention 2: no episiotomy.

public Farzaneh Saberi

Nursing-Midwifery Faculty. Kashan University of Medical Science.

Kashan Iran (Islamic Republic of) +98 36155500215 saberi_f2002@yahoo.com saberi_f@kaums.ac.ir Kashan University of Medical Sciences scientific Mansoureh Samimi

Medical Faculty, Kashan University of Medical Sciences

Kashan Iran (Islamic Republic of) +98 36 1555 0021 Dr_samimi2007@yahoo.com Kashan University of Medical Sciences Iran (Islamic Republic of) Inclusion criteria: primiparous, term pregnancy, single fetus, cephalic presentation, estimated fetal weight of 2500-3500 grams. Excluding criteria: multiple pregnancy, forceps and vacuum delivery, estimated fetal weight lower than 2500 or upper than 3500 gram, preterm labor, fetal malpresentation, occiput posterior position, precipitated labor and all complications that need to decrease length of second stage of labor (such as fetal distress, hemorrhage …) 15 years 45 years Female O80.0 Spontaneous vertex delivery Prevention Other Episiotomy no episiotomy Length of perineal laceration. Timepoint: Immediatley post partum. Method of measurement: Standard ruler. Post partum hemorrhage. Timepoint: During first hour after delivery. Method of measurement: Observation. Kashan University of Medical Sciences Approved Kashan University Of Medical Sciences Kashan University Of Medical Siences, Ghotb-e-Ravandi Blvd., Kashan Iran (Islamic Republic of)