TY - JOUR T1 - Effect of episiotomy on perineal laceration in primparous women referring to Shabihkhani maternity hospital, Kashan city, Iran TT - تاثیر اپیزیوتومی بر طول پارگی پرینه در خانم های نخست زا مراجعه کننده به زایشگاه شبیه خوانی کاشان JF - KAUMS JO - KAUMS VL - 14 IS - 1 UR - http://feyz.kaums.ac.ir/article-1-871-en.html Y1 - 2010 SP - 40 EP - 45 KW - Episiotomy KW - Perineal laceration KW - Primiparity N2 - Background: Considering the application of episiotomy technique for all the primiparous patients referring to Shabihkhani maternity hospital at Kashan city and the complications of this technique (e.g. hematoma, third and fourth degree laceration), this study was carried out to compare the extent of perineal laceration in primparous women in the absence or presence of this technique during 2005-6. Materials & Methods: This clinical trial study was carried out on two groups of term primiparous women (No=180) with a cephalic fetal presentation and an estimated fetal weight of 2500-3500 g. The length of posterior or anterior perineal laceration and the lacerations requiring repair were compared in both groups using T, Exact Fisher and X2 statistic tests. In addition, multiple logistic regression analysis was used to express simultaneity factor effects.Results: In case group 44.4% of the deliveries were without laceration and 55.6% with a posterior perineal laceration (P M3 ER -