1. Cunnigham FG, leveno KJ, Bloom SL, Hauth JC, Gilstrap LC, Wenstrom KD. Williams obstetrics. 22th
ed.NewYork:McGraw Hill; 2005.
2. Kropp N, Hartwell T, Althabe F. Episiotomy rates from eleven developing countries. Int J Gynecol Obstet. 2005
Nov; 91(2):157-159.
3. Daghigh bin E. Comparison of lavender and honey ointment on episiotomy pain and wound healing in
primiparus women [Thesis]. Ahwaz. Jondishapour University of Medical Sciences. 2007.
4. Motavaselian M, Farnia F. Effect of muscular relaxation on episitomy pain in primiparus women. Shahid
sadooghi University of Medical Science Journal. 2001;3:25-31.
5. Enkin M, Neilson J, Crowther C, Duley L,Hodnelt E. In:A Guide to Repair of perineal trauma.effective care in
pregnaney and child birth. 3rd ed.oxferd,UK:oxford university press. 2000; p:341-4.
6. Albers LA, Sedler KD, Bedrick EJ, Teaf D, Peralta P. Midwifery care measures in the second stage of labor and
reduction of genital tract trauma at birth:a randomized trial. J Midwifery Women’s Health. 2005; 50(5):365-72.
7. Boback J. Essential of Maternity Nursing. St louis:Mosby company.1990; p:617-420.
8. Moses F. Episiotomy vs perineal tear: which id less traumatic? British Journal of Nursing.1992; (1):761.
9. Jill E. The nurses role in giving preoperative information to reduce anxiety in patient admitted at hospital for
elective minor surjery. Journal of Advanced Nursing. 1989 Nov; 11(14):809.
10. Bitange N T, Zhang W, Shi-ying X. Therepeutic application of pineapple proteas(bromelain):Review. Pakistan
Journal of Nutrition. 2008; 7(4):513-20.
11. Roger AO. Safety & Efficacy Report Bromelain. Plast Reconstr Surg 2006;118(7):1640-44.
12. Maurer HR. Bromelain: Biochemistry, pharmacology and medical use. Cell Mol Life Sci 2001;58(9): 1234- 35.
13. Guyton A, Hall J. Medical physiology. Translate by Farokh shadan. 2th volume. Tehran: chehr; 2006: 935.
14. Zatuchni GI, Colombi DJ. Bromelains therapy for the prevention of episiotomy pain. Obstet Gynecol.1967; 29:
275.
15. Emmanuel RE, Aloy EA. A prospective randomized trial of kotase(bromelain + trypsin) in the management of
post operative abdominal wound at university of Nigeria teaching hospital enugu,Nigeria. Journal of College of
Medicine 2005;10(2):61-6.
16. Kerkhoffs GMM, Struijs PAA, Wit C De, Rahlfs W, Zwipp H, Dijk CN Van. A double blind, randomised,
parallel group study on the efficacy and safety of treating acute lateral ankle sprain with oral hydrolytic
enzymes. Br J Sports Med 2004;38:431–435.
17. Tassmann GC, ZaFran IN, Zayon GM. A double blind crossover-study of plant proteolytic enzyme in oral
surgery. J dent med 1965;20:51-4.
18. Medical news. The pain of child birth may linger for several weeks after vaginal delivery for women, according
to a new study. A paper published in: American journal of obst & gyn .2004.
19. Woolley RJ. Benefits and risks of episiotomy:A review of the English-language literature part &
partObstetGynecolsurvey.1995;50:806.
20. May K; Mahlmesiter L, Maternal and Neonatal Nursing Family centered care. Philadelphia: lippincott
company;1994.