1. Kalafat E, Yuce T, Tanju O, Koc A. Preterm premature rupture of membranes assessment via transperineal ultrasonography: a diagnostic accuracy study. J Matern Fetal Neonatal Med 2016; 29(22):3690-4.
2. Mercer BM. Preterm rupture of the membranes. Obstet Gynecol 2003; 101(1):178-93.
3. Wang Y, Wang HL, Chen J, Sun JX. Clinical and prognostic value of combined measurement of cytokines and vascular cell adhesion molecule-1 in premature rupture of membranes. Int J Gynecol Obstet 2016; 132(1):85-8.
4. Cooper AL, Vermillion ST, Soper DE. Qualitative human chorionicgonadotropin testing of cervicovaginal washing for the detection of preterm premature rupture membrane. Am J Obstet Gynecol 2004; 191(2):593-6.
5. Simhan HN, Canavan TP. Preterm premature rupture of membranes: diagnosis, evaluation and management strategies. BJOG 2005; 112(Suppl 1):32-7.
6. Stadelmann PF, Eick S, Salvi GE, Surbek D, Mohr S, Burgin W, et al. Increased periodontal inflammation in women with preterm premature of membranes . Clin Oral Investing 2015; 19(6):1537-46.
7. Medina TM, Hill DA. Preterm premature rupture of membranes: diagnosis and management. Am Fam Physician 2006; 73(4):659-64.
8. Patel A, Sirohiwal D, Malik R, Singh P, Patel S, Gandhi K. Maternal and perinatal outcome in preterm premature rupture of membrane. Int J Health Sci Res 2016; 6(2):89-94
9. Cunningham F, Leveno K, Bloom S, Spong CY, Dashe J. Williams obstetrics. 23^th ed. New York: Mcgraw-Hill; 2014. P. 63, 120-1, 280, 1002.
10. Eroğlu MB, Bostancı MS, Güven ES, Att R. Relationship between premature rupture of membranes and collagen amount in chorioamnionic membranes in term pregnancy. Global J Med Res 2014; 14(2):23-5.
11. Haji Foghaha M, Keshavarz T, Parsanezhad ME, Rajaeefard AR. The effect of vitamin C on premature rupture of membranes and preterm labor in Shiraz, Southern Iran. IRCMJ 2009; 11(2):226-7.
12. Mercer BM, Abdelrahim A, Moore RM, Novak J, Kumar D, Mansour JM, et al. The impact of vitamin C supplementation in pregnancy and in vitro upon fetal membrane strength and remodeling. Reprod Sci 2010; 17(7):685-95.
13. Ghomian N, Hafizi L, Takhti Z. The role of vitamin C in prevention of preterm premature rupture of membranes. Iran Red Crescent Med J 2013; 15(2):113-6.
14. Sereshti M, Deris F. Severity of Striae Gravidarum and its relationship with perineal trauma and vaginal lacerations during vaginal delivery of pregnant women referred to Hajar Hospital of Shahr-e-Kord in 2010-2011. J Zanjan Univ Med Sci Health Serv 2013; 21(89):107-16. (Persian).
15. Kelekci S, Gencdal S, Ozdemir O, Destegul E, Kelekci KH. Striae gravidarum as a predictor of spontaneous preterm delivery: A case control study. Open J Obstet Gynecol 2012; 2(4):394-7.
16. Bahrami N, Soleimani M, Shaigan H, Mohammad-Rezaei Z, Kamyab Mansouri Y, Adami N. Severity of striae gravidarum and it's related factors in primiparous women. J Shahrekord Univ Med Sci 2013; 15(1):64-73. (Persian).
17. Khajavi Shojaei K, Davati A, Kholdi N, Moayed Mohseni S, Shalchi Tabrizi S. Associated Factors with striae gravidarum in nulliparous women. Iran J Obstet Gynecol Infertil 2012; 15(28):13-20. (Persian).
18. Findik RB, Hascelik NK, Akin KO, Unluer AN, Karakaya J. Striae gravidarum, vitamin C and other related factors. Int J Vitam Nutr Res 2011; 81(1):43-8.
19. Kaplan DL. Vitamin C composition for use in the prevention and treatment of stretch other skin conditions and methods of using the same. U S Patent 2015; 411:3.
20. Asgharnia M, Mirblouk F, Faraji R, Mosavi SM. Striae gravidarum and the associated factors in nulliparus pregnant women. J Guilan Univ Med Sci 2013; 22(85):54-60. (Persian).
21. Timur Tashan S, Sever D. Striae gravidarum and related factors. J Anatoli Nurs Health Sci 2012; 15(1):33-9.
22. Moloody M, Soleimani MA, Bahrami N, Mohammad Rezaei ZH. Striae gravidarum RISK factors in primiparae pregnant women. J Urmia Nurs Midwifery Facul 2014; 12(3):207-13. (Persian).
23. Feresu SA, Harlow SD, Woelk GB. Risk factors for prematurity at Harare maternity hospital, Zimbabwe. Int J Epidemiol 2004; 33(6):1194-201.
24. Atwal GS, Manku LK, Griffiths CE, Polson DW. Striae gravidarum in primiparae. Br J Dermatol 2006; 155(5):965-9.
25. Cakir Gungor AN, Oguz S, Hacivelioglu S, Isik S, Uysal A, Gencer M, et al. Predictive value of striae gravidarum severity for intraperitoneal adhesions or uterine scar healing in patients with previous caesarean delivery. J Matern Fetal Neonat Med 2014; 27(13):1312-5.
26. Kapadia S, Kapoor S, Parmar K, Patadia K, Vyas M. Prediction of perineal tear during childbirth by assessment of striae gravidarum score. Int J Reprod Contracept Obstet Gynecol 2016; 3(1):208-12.
27. Qomian N, Mohammadzadeh A. Investigating the role of water membrane tear in neonatal complications during the 34th to 37th week of pregnancy. Womens Midwifery Infertil J 2001; 8-7(4):40-5. (Persian). 
28. Tabandeh A, Kashani E. Effects of maternal body mass index and weight gain during pregnancy on the outcome of delivery. J Gorgan Univ Med Sci 2007; 1(19):20-4. (Persian).
29. Shree R, Caughey AB, Chandrasekaran S. Short interpregnancy interval increases the risk of preterm premature rupture of membranes and early delivery. J Matern Fetal Neonatal Med 2017; 9:1-7.

Amini L, Mahmoudi Z, Hosseini F, Mahmoudi A. The relationship between the social structure and health and pregnancy outcomes: preterm labor and rupture of water bag. J Sabzevar Univ Med Sci 2013; 20(1):109-15. (Persian).