1. 1. Pasquali R. Contemporary approaches to the management of polycystic ovary syndrome. Ther Adv Endocrinol Metab 2018; 9: 123-134. 2. Farooq R. Short Review on Polycystic Ovarian Syndrome. Journal of Medicine. 2018; 19: 49-53. https://doi.org/10.3329/jom.v19i1.34843 3. Ding T, Hardiman PJ, Petersen I, Wang FF, Qu F, Baio G. The prevalence of polycystic ovary syndrome in reproductive-aged women of different ethnicity: a systematic review and meta-analysis. Oncotarget 2017; 8: 96351-96358. https://doi.org/10.18632/oncotarget.19180 4. Sirmans SM, Pate KA. Epidemiology, diagnosis, and management of polycystic ovary syndrome. Clin Epidemiol 2013; 6: 1-13. https://doi.org/10.2147/CLEP.S37559 5. Diamanti-Kandarakis E. PCOS in adolescents. Best Pract Res Clin Obstet Gynaecol 2009; 24: 173-183. https://doi.org/10.1016/j.bpobgyn.2009.09.005 6. El Hayek S, Bitar L, Hamdar LH, Mirza FG, Daoud G. Poly cystic ovarian syndrome: an updated overview. Front Physiol 2016; 7: 124. https://doi.org/10.3389/fphys.2016.00124 7. Hart R, Doherty DA. The potential implications of a PCOS diagnosis on a woman's long-term health using data linkage. J Clin Endocrinol Metab 2015; 100: 911-919. https://doi.org/10.1210/jc.2014-3886 8. Bazarganipour F, Taghavi SA, Montazeri A, Ahmadi F, Chaman R, Khosravi A. The impact of polycystic ovary syndrome on the health-related quality of life: A systematic review and meta-analysis. Iran J Reprod Med 2015; 13: 61-70. 9. Franks S. Polycystic ovary syndrome in adolescents. Int J Obes 2008; 32: 1035-1041. https://doi.org/10.1038/ijo.2008.61 10. Rosenfield RL. Clinical review: Identifying children at risk for polycystic ovary syndrome. J Clin Endocrinol Metab 2007; 92: 787-796. https://doi.org/10.1210/jc.2006-2012 11. Rotterdam ESHRE/ASRM-Sponsored PCOS consensus workshop group. Revised 2003 consensus on diagnostic criteria and long‐term health risks related to polycystic ovary syndrome (PCOS). Hum Reprod 2004; 19: 41-47. https://doi.org/10.1093/humrep/deh098 12. Carmina E. Diagnosis of polycystic ovary syndrome: from NIH criteria to ESHRE-ASRM guidelines. Minerva Ginecol 2004; 56: 1-6. 13. Azziz R, Carmina E, Dewailly D, Diamanti-Kandarakis E, Escobar-Morreale HF, Futterweit W, et al. Positions statement: criteria for defining polycystic ovary syndrome as a predominantly hyperandrogenic syndrome: an androgen excess society guideline. J Clin Endocrinol Metab 2006; 91: 4237-4245. https://doi.org/10.1210/jc.2006-0178 14. Pfeifer SM, Kives S. Polycystic ovary syndrome in the adolescent. Obstet Gynecol Clin Noth Am 2009; 36: 129-152. https://doi.org/10.1016/j.ogc.2008.12.004 15. Driscoll DA. Polycystic ovary syndrome in adolescence. Ann N Y Acad Sci 2003; 997: 49-55. https://doi.org/10.1196/annals.1290.006 16. Witchel SF, Oberfield S, Rosenfield RL, Codner E, Bonny A, Ibáñez L, et al. The diagnosis of polycystic ovary syndrome during adolescence. Horm Res Paediatr 2015; 83: 376-389. https://doi.org/10.1159/000375530 17. Williams RM, Ong KK, Dunger DB. Polycystic ovarian syndrome during puberty and adolescence. Mol Cell Endocrinol 2013; 373: 61-67. https://doi.org/10.1016/j.mce.2013.01.005 18. Merino PM, Codner E, Cassorla F. A rational approach to the diagnosis of polycystic ovarian syndrome during adolescence. Arq Bras Endocrinol Metabol 2011; 55: 590-598. https://doi.org/10.1590/S0004-27302011000800013 19. Kamboj MK, Bonny AE. Polycystic ovary syndrome in adolescence: diagnostic and therapeutic strategies. Transl Pediatr 2017; 6: 248-255. https://doi.org/10.21037/tp.2017.09.11 20. March WA, Moore VM, Willson KJ, Phillips DI, Norman RJ, Davies MJ. The prevalence of polycystic ovary syndrome in a community sample assessed under contrasting diagnostic criteria. Hum Reprod 2010; 25: 544-551. https://doi.org/10.1093/humrep/dep399 21. Shannon M, Wang Y. Polycystic ovary syndrome: a common but often unrecognized condition. J Midwifery Womens Health 2012; 57: 221-230. https://doi.org/10.1111/j.1542-2011.2012.00161.x 22. Joshi B, Mukherjee S, Patil A, Purandare A, Chauhan S, Vaidya R. A cross-sectional study of polycystic ovarian syndrome among adolescent and young girls in Mumbai, India. Indian J Endocrinol Metab 2014; 18: 317-324. https://doi.org/10.4103/2230-8210.131162 23. Kaewnin J, Vallibhakara O, Arj-Ong Vallibhakara S, Wattanakrai P, Butsripoom B, Somsook E, et al. Prevalence of polycystic ovary syndrome in Thai University adolescents. Gynecol Endocrinol 2018; 34: 476-480. https://doi.org/10.1080/09513590.2017.1409716 24. Asgharnia M, Mirblook F, Soltani M. The prevalence of polycystic ovary syndrome (PCOS) in high school students in Rasht in 2009 according to NIH criteria. Int J Fertil Steril 2011; 4: 156-159. 25. Esmaeilzadeh S, Delavar MA, Amiri M, Khafri S, Pasha NG. Polycystic ovary syndrome in Iranian adolescents. Int J Adolesc Med Health 2014; 26: 559-565. https://doi.org/10.1515/ijamh-2013-0335 26. Munn Z, Moola S, Riitano D, Lisy K. The development of a critical appraisal tool for use in systematic reviews addressing questions of prevalence. Int J Health Policy Manag 2014; 3: 123-128. https://doi.org/10.15171/ijhpm.2014.71 27. Egger M, Davey Smith G, Schneider M, Minder C. Bias in meta-analysis detected by a simple, graphical test. BMJ 1997; 315: 629-634. https://doi.org/10.1136/bmj.315.7109.629 28. Freeman MF, Tukey JW. Transformations related to the angular and the square root. The Annals of Mathematical Statistics 1950; 21: 607-611. https://doi.org/10.1214/aoms/1177729756 29. Moher D, Shamseer L, Clarke M, Ghersi D, Liberati A, Petticrew M, et al. Preferred reporting items for systematic review and meta-analysis protocols (PRISMA-P) 2015 statement. Systematic Reviews 2015; 4: 1. https://doi.org/10.1186/2046-4053-4-1 30. Nidhi R, Padmalatha V, Nagarathna R, Amritanshu R. Prevalence of polycystic ovarian syndrome in Indian adolescents. J Pediatr Adolesc Gynecol 2011; 24: 223-227. https://doi.org/10.1016/j.jpag.2011.03.002 31. Akbarzadeh M, Naderi T, Dabbagh Manesh MH, Tabatabaee HR. The frequency of various phenotypes of polycystic ovarian syndrome in adolescents, based on rotterdam criteria. Int J School Health 2015; 2: e26512. https://doi.org/10.17795/intjsh-26512 32. Sharif E, Rahman S, Zia Y, Rizk NM. The frequency of polycystic ovary syndrome in young reproductive females in Qatar. Int J Womens Health 2016; 9: 1-10. https://doi.org/10.2147/IJWH.S120027 33. Mehrabian F, Khani B, Kelishadi R, Ghanbari E. The prevalence of polycystic ovary syndrome in Iranian women based on different diagnostic criteria. Endokrynol Pol 2011; 62: 238-242. 34. Tehrani FR, Simbar M, Tohidi M, Hosseinpanah F, Azizi F. The prevalence of polycystic ovary syndrome in a community sample of Iranian population: Iranian PCOS prevalence study. Reprod Biol Endocrinol 2011; 9: 39. https://doi.org/10.1186/1477-7827-9-39 35. Ybarra M, Franco RR, Cominato L, Sampaio RB, Sucena da Rocha SM, Damiani D. Polycystic Ovary syndrome among obese adolescents. J Gynecol Endocrinol 2018; 34: 45-48. https://doi.org/10.1080/09513590.2017.1359250 36. Jalilian A, Kiani F, Sayehmiri F, Sayehmiri K, Khodaee Z, Akbari M. Prevalence of polycystic ovary syndrome and its associated complications in Iranian women: A meta-analysis. Iran J Reprod Med 2015; 13: 591-604. 37. Bozdag G, Mumusoglu S, Zengin D, Karabulut E, Yildiz BO. The prevalence and phenotypic features of polycystic ovary syndrome: a systematic review and meta-analysis. Hum Reprod 2016; 31: 2841-2855. https://doi.org/10.1093/humrep/dew218 38. Rashidi H, Ramezani Tehrani F, Bahri Khomami M, Tohidi M, Azizi F. To what extent does the use of the Rotterdam criteria affect the prevalence of polycystic ovary syndrome? A community-based study from the Southwest of Iran. Eur J Obstet Gynecol Reprod Biol 2014; 174: 100-105. https://doi.org/10.1016/j.ejogrb.2013.12.018 39. Lizneva D, Suturina L, Walker W, Brakta S, Gavrilova-Jordan L, Azziz R. Criteria, prevalence, and phenotypes of polycystic ovary syndrome. Fertil Steril 2016; 106: 6-15. https://doi.org/10.1016/j.fertnstert.2016.05.003 40. Varanasi LC, Subasinghe A, Jayasinghe YL, Callegari ET, Garland SM, Gorelik A, et al. Polycystic ovarian syndrome: Prevalence and impact on the wellbeing of Australian women aged 16-29 years. Aust N Z J Obstet Gynaecol 2018; 58: 222-233. https://doi.org/10.1111/ajo.12730 41. Legro RS, Arslanian SA, Ehrmann DA, Hoeger KM, Murad MH, Pasquali R, et al. Diagnosis and treatment of polycystic ovary syndrome: an Endocrine Society clinical practice guideline. J Clin Endocrinol Metab 2013; 98: 4565-4592. https://doi.org/10.1210/jc.2013-2350 42. Roe AH, Dokras A. The diagnosis of polycystic ovary syndrome in adolescents. Rev Obstet Gynecol 2011; 4: 45-51. 43. Bharathi RV, Swetha S, Neerajaa J, Madhavica JV, Janani DM, Rekha SN, et al. An epidemiological survey: Effect of predisposing factors for PCOS in Indian urban and rural population. Middle East Fertil Soc J 2017; 22: 313-316. https://doi.org/10.1016/j.mefs.2017.05.007 44. Tehrani FR, Rashidi H, Azizi F. The prevalence of idiopathic hirsutism and polycystic ovary syndrome in the Tehran lipid and glucose study. Reprod Biol Endocrinol 2011; 9: 144. https://doi.org/10.1186/1477-7827-9-144 45. Desai NA, Tiwari RY, Patel SS. Prevalence of polycystic ovary syndrome and its associated risk factors among adolescent and young girls in ahmedabad region. Indian Journal of Pharmacy Practice 2018; 11: 119-125. https://doi.org/10.5530/ijopp.11.3.27 46. Christensen SB, Black MH, Smith N, Martinez MM, Jacobsen SJ, Porter AH, et al. Prevalence of polycystic ovary syndrome in adolescents. Fertil Steril 2013; 100: 470-477. https://doi.org/10.1016/j.fertnstert.2013.04.001 47. Bhuvanashree N, Gupta S, Anitha M, Venkatarao E. Polycystic ovarian syndrome: Prevalence and its correlates among adolescent girls. Ann Trop Med Public Health 2013; 6: 632-636. https://doi.org/10.4103/1755-6783.140233 48. Hickey M, Doherty DA, Atkinson H, Sloboda DM, Franks S, Norman RJ, et al. Clinical, ultrasound and biochemical features of polycystic ovary syndrome in adolescents: implications for diagnosis. Hum Reprod 2011; 26: 1469-1477. https://doi.org/10.1093/humrep/der102 49. Salehpour S, Esmaeilnia Shirvani H, Entezari A. Evaluation of the prevalence of polycystic ovarian syndrome among adolescent (15-18 Years Old) girls in Tehran during 2005-2006. Int J Fertil Steril 2010; 4: 122-127. 50. Hashemipour M, Faghihimani S, Zolfaghary B, Hovsepian S, Ahmadi F, Haghighi S. Prevalence of polycystic ovary syndrome in girls aged 14-18 years in Isfahan, Iran. Horm Res 2004; 62: 278-282. https://doi.org/10.1159/000081842 [DOI:10.1177/2042018818756790]