1. 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;66:269-273.
2. Belzer M, Yoshida E, Tejirian T, Tucker D, Chung K, Sanchez K. Advanced supply of emergency contraception for adolescent mothers increased utilization without reducing condom or primary contraception use. Research Presentations. J of Adolesc Health. 2003;32:122-123.
3. CRLP. Center for Reproductive Law
and Policy. Citizen's Petition. Submitted to the FDA on
4. Croxatto H. Progress report to
5. Croxatto HB, Fuentealba B, Brache V, et al. Effects of the Yuzpe regimen, given during the follicular phase, on ovarian function. Contraception. 2002c;65:121-128.
6. Croxatto HB. Emergency contraception pills: how do they work? IPPF Medical Bulletin 2002d;36:1-2.
7. Ellertson C, Ambardekar S, Hedley A, Coyaji K, Trussell J, Blanchard K. Emergency contraception: randomized comparison of advance provision and information only. Obstet Gynecol. 2001a;98:570-575.
8. Glasier A, Baird D. The effects of self-administering emergency contraception. New Engl J Med. 1998c;339:1-4.
9. Glasier A. Emergency postcoital contraception. New Engl J Med. 1997;337: 1058-1064.
10. Grimes DA, Raymond EG, Scott Jones B. Emergency contraception over-the-counter: the medical and legal imperatives. Obstet Gynecol. 2001;98:151-155.
11. Ho PC, Kwan MS. A prospective randomized comparison of levonorgestrel with the Yuzpe regimen in post-coital contraception. Hum Reprod. 1993;8:389-392.
12. Jones RK, Darroch JE, Henshaw SE.
Contraceptive use among
13. Kahlenborn C, Stanford JB, Larimore WL. Postfertilization effect of hormonal emergency contraception. Ann Pharmacother. 2002;36:465-70.
14. Kaiser Family Foundation. A national survey of women about their sexual health. Self Magazine. Summer 2003a.
15. Kaiser Family Foundation. National survey of women’s health care providers on reproductive health: emergency contraception. June 2003b.
16. Kaiser Family Foundation. Lifetime Television, Vital Signs Inde No. 2: Emergency contraception (selected findings). November 2000.
17. Kook K, Gabelnick H, Duncan G. Pharmacokinetics of levonorgestrel 0.75 mg tablets. Contraception. 2002;66:73-76.
18. McCann MF, Potter LS. Progestin-only oral contraception: a comprehensive review. Ectopic pregnancies. Contraception. 1994;50(Suppl 1):S44-49.
19. MMWR. Youth Risk Behavior
20. Müller AL, Llados CM, Croxatto HB. Postcoital treatment with levonorgestrel does not disrupt postfertilization events in the rat. Contraception. 2003;67:415-419.
21. ní Riain A. Increasing the effectiveness of contraceptive usage in university students. Eur J Contracept Reprod Health Care. 1998;3:124-128.
22. Peterson LS. Contraceptive use in
23. Piaggio G, von Hertzen H, Grimes DA, Van Look PF. Timing of emergency contraception with levonorgestrel or the Yuzpe regimen [letter]. Lancet. 1999; 353:721.
24. Raine T, Harper C, Leon K, Darney P. Emergency Contraception: Advance provision in a young, high-risk clinic population. Obstet Gynecol. 2000;96:1-7.
25. Raymond EG, Dalebout SM, Camp SI. Comprehension of a prototype over-the-counter label for an emergency contraceptive pill product. Obstet Gynecol. 2002a; 100:342-349.
26. Roye CF, Johnsen JRM. Adolescent and emergency contraception. J Pediatr Health Care. 2002;16:3-9.
27. Roye CF. Routine provision of emergency contraception to teens and subsequent condom use: a preliminary study [letter]. J Pediatr Health Care. 2001;28:165-166.
28. Sucato GS, Gardner JS, Koepsell
TD. Adolescents’ use of emergency
contraception provided by
29. Trussell J, Stewart F, Guest F, Hatcher RA. Emergency contraceptive pills: a simple proposal to reduce unintended pregnancies. Fam Plann Perspect. 1992b; 24:269-273.
30. Trussell J, Ellertson C, Dorflinger L. Effectiveness of the Yuzpe regimen of emergency contraception by cycle day of intercourse: implications for mechanism of action. Contraception. 2003c;67:167-171. (Preprint Trussell 2002)
32. Ugocsai G, Rózsa M, Ugocsai P. Scanning electron microscopic (SEM) changes of the endometrium in women taking high doses of levonorgestrel as emergency postcoital contraception. Contraception. 2002;66:433-437.
34. Van Look PFA, von Hertzen H. Emergency contraception. Br Med Bull. 1993;49: 158-170.
35. van Royen AR, Calvin CK, Lightner CR. Knowledge and attitudes about emergency contraception in a military population. Obstet Gynecol. 2000;96:921-925.
36. VHS. Fertility, Family Planning,
and Women's Health: New Data From the 1995 National
Survey of Family Growth. Vital and Health Statistics. Series 23. No. 19.
May 1997. Available at: http://www.cdc.gov/nchs/data/series/sr_23/sr23_019.pdf.
37. WCC/FHI, Women’s Capital
Corporation and Family Health International. Plan BŇ
Over-the-Counter Label Comprehension Study Report. FHI Study #9728. Final Study
38. WCC/FHI,Women’s Capital Corporation and Family Health International. Plan BŇ OTC Actual Use Study. Phase 3. Non-comparative case series study of Plan BŇ levonorgestrel emergency contraceptive pills provided using a simulated over-the-counter approach. FHI Study #9727. Final Study Report. 2002. (Updated 2003)
ES, Hutchings J, Gardner JS, et al. Using pharmacists in
40. WHO #92908. Report of the pivotal
study: A prospective, randomized, multi-center study to compare the Yuzpe
regimen with levonorgestrel in emergency postcoital contraception.
41. WHO Task Force on Post-Ovulatory Methods for Fertility Regulation. United Nations Development Programme/ United Nations Population Fund/World Health Organization/World Bank Special Programme of Research, Development and Research Training in Human Reproduction. Efficacy and side effects of immediate postcoital levonorgestrel used repeatedly for contraception. Contraception 2000a; 61: 303-308.
42. WHO Research Group on Post-ovulatory Methods of Fertility Regulation. Published. von Hertzen H, Piaggio G, Ding J, et al. Low dose mifepristone and two regimens of levonorgestrel for emergency contraception: a WHO multicentre randomised trial. Lancet. 2002; 360:1803-1810.
43. Wilcox AJ, Weinberg CR, Baird DD. Timing of sexual intercourse in relation to ovulation: effects on the probability of contraception, survival of the pregnancy, and sex of the baby. New Engl J Med. 1995;333:1517-1521.
44. Wu S, Wang C, Wang Y. [A randomized, double-blind, multicentre study on comparing levonorgestrel and mifepristone for emergency contraception] [Chinese]. Zhonghua Fu Chan Ke Za Zhi. 1999;34:327-330. [Full text in Chinese available upon request]
45. Yeung WSB, Chiu PCN, Wang CH,
46. Downing D. Pharmacist prescribing of emergency