References
- Hong CH, Cho HR, Park KS. The secular trend of menarcheal age in Korea. J Korean Pediatr Soc 1993;36:239-43
- Hong CH, Rho HO, Song SH. The sexual maturity rating of adolescent boys and girls in Korea. J Korean Pediatr Soc 1994;37:193-8
- Herman-Giddens ME, Slora EJ, Wasserman RC, Bourdony CJ, Bhapkar MV, Koch GG, et al. Secondary sexual characteristics and menses in young girls seen in office practice: a study from the Pediatric Research in Office settings Network. Pediatrics 1997;99:505-12 https://doi.org/10.1542/peds.99.4.505
- Temperi J, Rimpela M. Menstrual pain, health and behavior in girls. Soc Sci Med 1989;29:163-9 https://doi.org/10.1016/0277-9536(89)90164-0
- Widholm O, Kantero RL. A statistical analysis of menstrual patterns of 8,000 Finnish girls and their mothers. Acta Obstet Gynecol Scand 1971;14[suppl]:1-36
- Campbell MA, McGrath PJ. Use medication by adolescents for the management of menstrual disorders. Arch Pediatr Adolesc Med 1997;151:905-13 https://doi.org/10.1001/archpedi.1997.02170460043007
- Mitan LAP, Slap GB. Adolescent Menstrual Disorders; Update. Med Clin North Am 2000;84:851-68 https://doi.org/10.1016/S0025-7125(05)70264-9
- Boros A, Lampe L, Balog A, et al. Ovarian function after menarche and hormonal contraception. Int J Gynaecol Obstet 1988;27:249-53 https://doi.org/10.1016/0020-7292(88)90016-1
- Makarainen L, Ylikorkala O. Ibuprofen prevents IUCD-induced increases in menstrual blood loss. Br J Obstet Gynaecol 1986;93:285-8 https://doi.org/10.1111/j.1471-0528.1986.tb07910.x
- Kaplowitz PB, Oberfield SE. Reexamination of age limit for defining when puberty is precocious in girls in the United States: Implications for evaluation and treatment. Pediatrics 1999;104:936-41 https://doi.org/10.1542/peds.104.4.936
- Gordon CM, Nelson LM. Amenorrhea and bone health in adolescents and young women[Adolescent and Pediatric gynecology]. Obstet Gynecol 2003;15:377-84
- Stein IF, Leventhal ML. Amenorrhea associated with bilateral polycystic ovaries. Am J Obstet Gynecol 1935;29:181-91 https://doi.org/10.1016/S0002-9378(15)30642-6
- Gordon CM. Menstrual disorders in adolescents. Excess androgens and the polycystic ovary syndrome. Pediatr Clin North Am 1999;46:519-43 https://doi.org/10.1016/S0031-3955(05)70135-8
- Gulekli B, Turhan NO, Senoz S, Kukner S, Oral H, Gokmen O. Endocrinological, ultrasonographic, and clinical findings in adolescents and adult polycystic ovary patients: a comparative study. Gynecol Endocrinol 1993;7:273-7 https://doi.org/10.3109/09513599309152512
- Shin SY, Lee YY, Yang SY, Yoon BK, Bae DS, Choi DS. Characteristics of menstruation-related problems for adolescents and premerital women in Korea. Eur J Obstet Gynecol Reprod Bio 2005;121:231-42