1. Cleary-Goldman J, Robinson JN (2003) The role of episiotomy in current obstetric practice. Semin Perinatol 27(1):3–12
2. Royal College of Obstetricians and Gynaecologists (2004). Setting standards to improve women’s health. Guideline No.23
3. Lam KW, Wong HS, Pun TC (2006) The practice of episiotomy in public hospitals in Hong kong. Hong Kong Med J 12(2):94–98
4. Sh NavabiRigi, Abedian Z, Poorjavad M, Esmaeli H (2007) Evaluation the cooling gelpad and ice pack on wound healing and intensity perineal pain after episiotomy in primiparous women. Zahedan J Res Med Sci 9(1):30–35 [Persian]
5. Khajavi Shojaei K, Davati A, Zayeri F (2009) Frequency and side effect of episiotomy in primiparous women: a three-month longitudinal survey. Qom University Med Sci J 3(2):47–50 [Persian]