Advance provision of emergency contraception for pregnancy prevention: A meta-analysis

Obstetrics and Gynecology

Volumn 110, Issue 6, 2007, Pages 1379-1388

  Polis, Chelsea B ^a   Schaffer, Kate ^b   Blanchard, Kelly ^b   Glasier, Anna ^b   Harper, Cynthia C ^b   Grimes, David A ^b  

^a JOHNS HOPKINS BLOOMBERG SCHOOL OF PUBLIC HEALTH   (United States)

^b NONE

Author keywords

[No Author keywords available]

Indexed keywords

CLINICAL ASSESSMENT; CLINICAL TRIAL; CONTRACEPTION; CONTROLLED CLINICAL TRIAL; COUNSELING; DATA BASE; FOLLOW UP; HUMAN; META ANALYSIS; PREGNANCY; PRIORITY JOURNAL; RANDOMIZED CONTROLLED TRIAL; REVIEW; SEXUAL INTERCOURSE; SEXUALLY TRANSMITTED DISEASE; SYSTEMATIC REVIEW; DRUG SELF ADMINISTRATION; EMERGENCY CONTRACEPTION; FEMALE; METHODOLOGY; PREGNANCY RATE; RISK; TREATMENT OUTCOME;

POSTCOITUS CONTRACEPTIVE AGENT;

CONTRACEPTION, POSTCOITAL; CONTRACEPTIVES, POSTCOITAL; FEMALE; HUMANS; ODDS RATIO; PREGNANCY; PREGNANCY RATE; RANDOMIZED CONTROLLED TRIALS AS TOPIC; SELF ADMINISTRATION; TREATMENT OUTCOME;

EID: 38449099142     PISSN: 00297844     EISSN: None     Source Type: Journal    
DOI: 10.1097/01.AOG.0000295603.84568.f6     Document Type: Review

References (44)

1. Cheng L, Gulmezoglu AM, Oel CJ, Piaggio G, Ezcurra E, Look PF. Interventions for emergency contraception. Cochrane Database Syst Rev 2004;(3):CD001324.
2. Trussell J, Rodriguez G, Ellertson C. Updated estimates of the effectiveness of the Yuzpe regimen of emergency contraception. Contraception 1999;59:147-51.
3. Trussell J, Ellertson C, von Hertzen H, Bigrigg A, Webb A, Evans M, et al. Estimating the effectiveness of emergency contraceptive pills. Contraception 2003;67:259-65.
4. Randomised controlled trial of levonorgestrel versus the Yuzpe regimen of combined oral contraceptives for emergency contraception. Task Force on Postovulatory Methods of Fertility Regulation. Lancet 1998;352:428-33.
5. Trussell J, Raymond, EG. Emergency contraception: a last chance to prevent unintended pregnancy. Available at http://ec.princeton.edu/questions/ec- review.pdf. Retrieved October 16, 2007.
6. Trussell J, Duran V, Shochet T, Moore K. Access to emergency contraception. Obstet Gynecol 2000;95:267-70.
7. American Society for Emergency Contraception (ASEC). Dedicated ECPs worldwide. 2006. Available at: http://ec.princeton.edu/questions/dedicated.html. Retrieved June 28, 2006.
8. Guttmacher Institute. State policies in brief: access to emergency contraception. 2006. Available at: http://www.guttmacher.org/statecenter/spibs/ spib_EC.pdf. Retrieved June 28, 2006.
9. Glasier A, Baird D. The effects of self-administering emergency contraception. N Engl J Med 1998;339:1-4.
10. Gold MA, Schein A, Coupey SM. Emergency contraception: a national survey of adolescent health experts. Fam Plann Perspect 1997;29:15-9, 24.
11. Golden NH, Seigel WM, Fisher M, Schneider M, Quijano E, Suss A, et al. Emergency contraception: pediatricians' knowledge, attitudes, and opinions. Pediatrics 2001;107:287-92.
12. Sherman CA, Harvey SM, Beckman LJ, Petitti DB. Emergency contraception: knowledge and attitudes of health care providers in a health maintenance organization. Womens Health Issues 2001;11:448-57.
13. Raymond EG, Trussell J, Polis CB. Population effect of increased access to emergency contraceptive pills: a systematic review. Obstet Gynecol 2007;109:181-8.
14. Juni P, Holenstein F, Sterne J, Bartlett C, Egger M. Direction and impact of language bias in meta-analyses of controlled trials: empirical study. Int J Epidemiol 2002;31:115-23.
15. Moher D, Pham B, Klassen TP, Schulz KF, Berlin JA, Jadad AR, et al. What contributions do languages other than English make on the results of meta-analyses? J Clin Epidemiol 2000;53:964-72.
16. Higgins JPT, Green S, editors. Cochrane Handbook for Systematic Reviews of Interventions 4.2.5 [updated May 2005]. Available at: http://www.cochrane. org/resources/handbook/hbook.htm. Retrieved August 10, 2004.
17. DerSimonian R, Laird N. Meta-analysis in clinical trials. Control Clin Trials 1986;7:177-88.
18. Higgins JP, Thompson SG, Deeks JJ, Altman DG. Measuring inconsistency in meta-analyses. BMJ 2003;327:557-60.
19. Schulz, K. Grimes, D. The Lancet handbook of essential concepts in clinical research. New York (NY): Elsevier; 2006.
20. Belzer M, Sanchez K, Olson J, Jacobs AM, Tucker D. Advance supply of emergency contraception: a randomized trial in adolescent mothers. J Pediatr Adolesc Gynecol 2005;18:347-54.
21. Hazari K. Use of emergency contraception by women as a back-up method. Health Popul Perspect Issues 2000;23:115-22.
22. Jackson RA, Schwarz EB, Freedman L, Darney P. Advance supply of emergency contraception. Effect on use and usual contraception - a randomized trial. Obstet Gynecol 2003;102:8-16.
23. Gold MA, Wolford JE, Smith KA, Parker AM. The effects of advance provision of emergency contraception on adolescent women's sexual and contraceptive behaviors. J Pediatr Adolesc Gynecol 2004;17:87-96.
24. Lo SS, Fan SY, Ho PC, Glasier AF. Effect of advanced provision of emergency contraception on women's contraceptive behaviour: a randomized controlled trial. Hum Reprod 2004;19:2404-10.
25. Hu X, Cheng L, Hua X, Glasier A. Advanced provision of emergency contraception to postnatal women in China makes no difference in abortion rates: a randomized controlled trial. Contraception 2005;72:111-6.
26. Raine TR, Harper CC, Rocca CH, Fischer R, Padian N, Klausner JD, et al. Direct access to emergency contraception through pharmacies and effect on unintended pregnancy and STIs: a randomized controlled trial. JAMA 2005;293:54-62.
27. Raymond EG, Stewart F, Weaver M, Monteith C, Van Der Pol B. Impact of increased access to emergency contraceptive pills: a randomized controlled trial. Obstet Gynecol 2006;108:1098-106.
28. Trussell J, Stewart F, Guest F, Hatcher RA. Emergency contraceptive pills: a simple proposal to reduce unintended pregnancies. Fam Plann Perspect 1992;24:269-73.
29. Steiner M, Dominik R, Trussell J, Hertz-Picciott I. Measuring contraceptive effectiveness: a conceptual framework. Obstet Gynecol 1996;88:24S-30S.
30. Raymond E, Taylor D, Trussell J, Steiner MJ. Minimum effectiveness of the levonorgestrel regimen of emergency contraception. Contraception 2004;69:79-81.
31. Arowojolu AO, Okewole IA, Adekunle AO. Comparative evaluation of the effectiveness and safety of two regimens of levonorgestrel for emergency contraception in Nigerians. Contraception 2002;66:269-73.
32. von Hertzen H, Piaggio G, Ding J, Chen J, Song S, Bartfai G, et al. Low dose mifepristone and two regimens of levonorgestrel for emergency contraception: a WHO multicentre randomised trial. Lancet 2002;360:1803-10.
33. Sorensen MB, Pedersen BL, Nyrnberg LE. Differences between users and non-users of emergency contraception after a recognized unprotected intercourse. Contraception 2000;62:1-3.
34. Moreau C, Bouyer J, Goulard H, Bajos N. The remaining barriers to the use of emergency contraception: perception of pregnancy risk by women undergoing induced abortions. Contraception 2005;71:202-7.
35. Goulard H, Moreau C, Gilbert F, Job-Spira N, Bajos N, Cocon Group. Contraceptive failures and determinants of emergency contraception use. Contraception 2006;74:208-13.
36. Rocca CH, Schwarz EB, Stewart FH, Darney PD, Raine TR, Harper CC. Beyond access: acceptability, use and nonuse of emergency contraception among young women. Am J Obstet Gynecol 2007;196:29.el-6.
37. Galvao LW, Oliveira LC, Diaz J, Kim DJ, Marchi N, van Dam J, et al. Effectiveness of female and male condoms in preventing exposure to semen during vaginal intercourse: a randomized trial. Contraception 2005;71:130-6.
38. Macaluso M, Lawson ML, Hortin G, Duerr A, Hammond KR, Blackwell R, et al. Efficacy of the female condom as a barrier to semen during intercourse. Am J Epidemiol 2003;157:289-97.
39. Lawson ML, Maculuso M, Bloom A, Hortin G, Hammond KR, Blackwell R. Objective markers of condom failure. Sex Transm Dis 1998;25:427-32.
40. Walsh TL, Frezieres RG, Peacock K, Nelson AL, Clark VA, Bernstein L, et al. Use of prostate-specific antigen (PSA) to measure semen exposure resulting from male condom failures: implications for contraceptive efficacy and the prevention of sexually transmitted disease. Contraception 2003;67:139-50.
41. Landry P, Iorillo D, Darioli R, Burnier M, Genton B. Do travelers really take their mefloquine malaria chemoprophylaxis? Estimation of adherence by an electronic pillbox. J Travel Med 2006;13:8-14.
42. Rogers SM, Willis G, Al Tayyib A, Villarroel MA, Turner CF, Ganapathi L, et al. Audio computer assisted interviewing to measure HIV risk behaviours in a clinic population. Sex Transm Infect 2005;81:501-7.
43. Fu H, Darroch JE, Henshaw SK, Kolb E. Measuring the extent of abortion underreporting in the 1995 National Survey of Family Growth. Fam Plann Perspect 1998;30:128-33, 138.
44. Walsh TL, Frezieres RG. Patterns of emergency contraception use by age and ethnicity from a randomized trial comparing advance provision and information only. Contraception 2006;74:110-7.