Journal of Pediatric and Adolescent Gynecology
Volume 22, Issue 1 , Pages 25-31 , February 2009

Comparative Performance of a Combined Injectable Contraceptive (50 mg Norethisterone Enanthate Plus 5mg Estradiol Valerate) and a Combined Oral Contraceptive (0.15 mg Levonorgestrel plus 0.03 mg Ethinyl Estradiol) in Adolescents

References 

  1. Nelson ML, Quintana SM. Qualitative clinical research with children and adolescents. J Clin Child Adolesc Psychol. 2005;34:344
  2. Molina R. Anticoncepción en la adolescencia. In:  Molina R,  Sandoval J,  González E editor. Salud Sexual y Reproductiva en la Adolescencia. Santiago: Chile, Mediterráneo; 2002;p. 768–785
  3. Morgan Mulchahey K. Practical approaches to prescribing contraception in the office setting. Contraception. 2005;16:665
  4. Tremollieres F. [Effect of hormonal contraception on bone mineral density.]. Gynecol Obstet Fertil. 2005;33:520
  5. Scholes D, Lacroix AZ, Ichikawa LE, et al. The association between depot medroxyprogesterone acetate contraception and bone mineral density in adolescent women. Contraception. 2004;69:99
  6. World Health Organization . WHO statement on hormonal contraception and bone health. Contraception. 2006;73:443
  7. Casas L. Confidencialidad de la información médica, derecho a la salud y consentimiento sexual de los adolescentes. Rev Chil Obstet Ginecol Inf Adolesc. 2005;2:94
  8. Canavos GC. Probabilidades y Estadística: Aplicaciones y Métodos. Editores McGraw-Hill/Interamericana. 1988;333–338350
  9. Siegel S. Estadística No Paramétrica: Aplicada a las ciencias de la conducta. México, Editores Trillas. 1970;130–137
  10. Martinez Oliva L. Cáncer y ambiente. Bases epidemiológicas para su investigación y control: Métodos epidemiológicos. México: Editores Metepec; 1990;57–59
  11. Kessuru E, Etchepareborda JJ, Wikinski R, et al. Premenopause contraception with monthly injectable Mesigyna with special emphasis on serum lipid and bone density pattern. Contraception. 2000;61:317
  12. Arabi A, Garnero P, Porcher R, et al. Changes in body composition during postmenopausal hormone therapy: a 2 year prospective study. Hum Reprod. 2003;18:1747
  13. Rubinacci A, Peruzzi E, Modena AB, et al. Effect of low dose transdermal E2/NETA on the reduction of postmenopausal bone loss in women. Menopause. 2003;10:241
  14. Bunyavejchevin S, Limpaphayom KK. The metabolic and bone density effects of continuous combined 17 beta estradiol and norethisterone acetate treatments in Thai postmenopausal women: a double-blind placebo-controlled trial. J Med Assoc Thai. 2001;84:45
  15. Delmas PD, Confavreux E, Garnero P, et al. A combination of low doses of 17 beta-estradiol and northisterone acetate prevent bone loss and normalizes bone turnover in postmenopausal women. Osteoporos Int. 2000;11:177
  16. Paoletti AM, Orru M, Floris S, et al. Evidence that treatment with monophasic oral contraceptive formulations containing ethinylestradiol plus gestodene reduces bone resorption in young women. Contraception. 2000;61:259
  17. Gomez PI, Correa JE, Castañeda A, et al. Estudio abierto multicéntrico del anticonceptivo inyectable mensual. Controversias en Ginecología y Obstetricia. 1998;6:6
  18. Bassol S, Cravioto MC, Durand M, et al. Mesigyna once-a-month combined injectable contraceptive: experience in Latin America. Contraception. 2000;61:309
  19. Fraser IS. Vaginal bleeding patterns in women using one-a-month injectable contraceptives. Contraception. 1994;49:399
  20. Bulent Tiras M, Noyan V, Fener N, et al. Effects of a monthly injectable steroidal contraceptive, Mesigyna, on menstrual pattern, lipoproteins, and coagulation parameters. Contraception. 2001;63:151
  21. Bortolotti de Mello Jacobucci MS, Guazzelli CA, Barbieri M, et al. Bleeding patterns of adolescents using a combination contraceptive injection for 1 year. Contraception. 2006;73:594
  22. Belsey EM. and Task Force on Long-acting Systemic Agents for Fertility Regulation: Menstrual bleeding patterns in untreated women and with long-acting methods of contraception. Adv Contracept. 1991;7:257
  23. Widholm O, Kantero RL. A statistical analysis of the menstrual patterns of 8,000 Finnish girls and their mothers. Acta Obstet Gynecol Scand Suppl. 1971;14(Suppl 14):1
  24. World Health Organization. Multicenter Study on Menstrual and Ovulatory Patterns in Adolescent Girls. I. A Multicenter Cross-sectional Study of Menarche. World Health Organization Task Force on Adolescent Reproductive Health. J Adolesc Health Care. 1986;7:229
  25. World Health Organization. Multicenter Study on Menstrual and Ovulatory Patterns in Adolescent Girls. II. Longitudinal Study of Menstrual Patterns in the eaRly Postmenarcheal Period, Duration of Bleeding Episodes, and Menstrual Cycles. World Health Organization Task Force on Adolescent Reproductive Health. J Adolesc Health Care. 1986;7:236
  26. Westfall JM, Main DS, Barnard L. Continuation rates among injectable contraceptive users. Fam Plann Perspect. 1996;28:275
  27. Tolley E, Loza S, Kafafi L, et al. The impact of menstrual side effects on contraceptive discontinuation: Findings from a longitudinal study in Cairo. Egypt. Int Fam Plann Persp. 2005;31:15
  28. RamaRao S, Lacuesta M, Costello M, et al. The link between quality of care and contraceptive use. Int Fam Plann Persp. 2003;29:76
  29. Ali M, Cleland J. Contraceptive discontinuation in six developing countries: a cause-specific analysis. Int Fam Plann Persp. 1995;21:92
  30. Kirby D. The impact of programs to increase contraceptive use among adult women: A review of experimental and quasi-experimental studies. Perspect Sex Reprod Health. 2008;40:34

 This study has been funded by the Faculty of Medicine, University of Chile, Santiago, Chile.

PII: S1083-3188(08)00239-8

doi: 10.1016/j.jpag.2008.07.010

Journal of Pediatric and Adolescent Gynecology
Volume 22, Issue 1 , Pages 25-31 , February 2009