1. Trussel J, Stewart F, Guest F, Hatcher RA. Emergency contraceptive
pills: a simple proposal to reduce unintended pregnancies. Fam
Plann Perspect 1992; 24: 269.
2. Morris JM, I van Wagenen G. Compounds interfering with ovum
implantation and development. III. The role of estrogens. Am J
Obstat Gynecol 1996; 96: 804.
3. Yuzpe AA, Lancee WJ. Ethinylestradiol and dl- norgestrel as
a postcoital contraception pilot study. Journal of Reproductive
Medicine 1974; 13: 53.
4. Yuzpe AA, Lancee WJ. Ethinylestradiol and dl-norgestrel as
a postcoital contraceptive. Fertil Steril 1977; 28: 932.
5. Yuzpe AA, Smith RP, Rademaker AW. A multicenter clinical investigation
employing ethinylestradiol combined with dl-norgestrel as a postcoital
contraceptive agent. Fertil steril 1982; 37: 508.
6. Landgren B-M, Johannisson E, Aedo A-R, Kumar A, Yong-en S.
The effect of Levonorgestrel administered in large doses at different
stages of the cycle on ovarian function and endometrial morphology.
Contraception 1989; 39 (3): 275.
7. Task Force on Postovulatory Methods of Fertility Regulation.
Rendomised controlled trial of Levonorgestrel versus the Yuzpe
regimen of combined oral contraceptives for emergency contraception.
Lancet 1998; 352: 428
8. Glasier A. Emergency contraception. N Engl J Med 1997; 337:
1058.
9. Trussel J, Rodríguez G, Ellertson C. New estimates
of the effectiveness of the Yuzpe regimen of emergency contraception.
Contraception 1998; 57: 363.
10. Wilcox AJ, Weinberg CR, Baird DD. Timing of sexual intercourse
in relation to ovulation effects on the probability of conception,
survival of the pregnancy, and sex of the baby. New Engl J Med
1995; 333: 1517.
11. Haspels AA. Emergency contraception: a review. Contraception
1994; 50: 101.
12. Fasoli M, Parazzini F, Cechetti G, La VechiaC. Post-coital
contraception: an overview of published studies. Contraception
1989; 39: 459.
13. Hümpel M, Wendt H, Pommerenke G, Weib C, Speck U. Investigations
of pharmacokinetics of Levonorgestrel to specific consideration
of possible first pass effect in women. Contraception 1978; (3):
207.
14. Ho PC, Kwan Ms. A prospective randomized comparison of Levonorgestrel
with Yuzpe regimen in postcoital contraception. Human Reproduction
1993; 8: 389.
15. Colombo UF, Zugliani G, Molla R, Santini F, Santarone MA,
Benzi G. Danzanol: a new method of postcoital contraception. Contracept
Fértil Sexual 1986; 14: 131.
16. Webb AM. Alternative treatments in oral postcoital contraception:
interim results. Adv Contracept 1991; 7: 271.
17. Glasier A Thong KJ, Dewar M, MacKie M, Baird DT. Mifepristone
(RU 486) compared with high dose of estrogen and progestagen for
emergency postcoital contraception. N Engl J Med 1992; 327: 1041.
18. Task force on postovulatory methods on fertility regulation.
Comparison of three single doses of mifepristone as emergency
contraception: a randomized trial. Lancet 1999; 353: 697.
19. Swahn ML, Westlund P, Johanisson E, Bygdeman M. Effects of
postcoital contraceptive methods on the endometrium and the menstrual
cycle. Acta Obstet Gynecol Scand 1996; 75: 738.
20. Trussel J, Raymond EG. Statistical evidence about the mechanism
of action of the Yuzpe regimen of emergency contraception. Obset
Gynecol 1999; 93: 872.
21. Van Santen MR, Haspels AA, Heijnen HFG, Rademakers LHPM.
Interfering with implantation by postcoital estrogen administration.
II: endometrium epithelial cell ultrastructure. Contraception
1988; 38: 711.
22. Kubba AA, With JO, Guillebau J, Elder MG. The biochemistry
of human endometrium after two regimens of postcoital contraception:
a d-norgestrel/ethinylestradiol combination or danazol. Fertil
Steril 1986; 45: 512.
23. Bacic M, de Casparis AW, Diczfalusy E. Failure of large doses
of ethinylestradiol to interfere with early embryonic development
in the human species. Am J Obset Gynecol 1970; 107: 531.
24. Älvarez González JD. Intercepción postcoital:
prevención primaria. Libro de Comunicaciones del 5º
Congreso de la SEC, 21-24 de Marzo de 2000; 103-110 |