Likelihood of conception with a single act of intercourse: Providing benchmark rates for assessment of post-coital contraceptives

Contraception

Volumn 63, Issue 4, 2001, Pages 211-215

  Wilcox, Allen J ^a   Dunson, David B ^a   Weinberg, Clarice R ^a   Trussell, James ^b   Baird, Donna Day ^a  

^a NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES   (United States)

^b PRINCETON UNIVERSITY   (United States)

Author keywords

Emergency contraception; Fertility; Menstrual cycle; Ovulation; Pregnancy

Indexed keywords

POSTCOITUS CONTRACEPTIVE AGENT;

ADULT; ARTICLE; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; DRUG EFFICACY; DRUG INDICATION; FEMALE; HIGH RISK PREGNANCY; HUMAN; MENSTRUAL CYCLE; NORMAL HUMAN; OVULATION; PREGNANCY RATE; PROBABILITY; PROSPECTIVE STUDY; RISK ASSESSMENT; SEXUAL INTERCOURSE;

COITUS; CONTRACEPTIVES, POSTCOITAL; FEMALE; HUMANS; MENSTRUAL CYCLE; OVULATION; PREGNANCY; PROBABILITY; PROSPECTIVE STUDIES; TIME FACTORS;

EID: 0035305424     PISSN: 00107824     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0010-7824(01)00191-3     Document Type: Article

References (19)

1. Wilcox A.J., Weinberg C.R., O'Connor J.F., et al. Incidence of early loss of pregnancy. N Engl J Med. 319:1988;189-194.
2. Wilcox A.J., Weinberg C.R., Wehmann R.E., Armstrong E.G., Canfield R.E., Nisula B.C. Measuring early pregnancy loss laboratory and field methods . Fertil Steril. 44:1985;366-374.
3. Wilcox A.J., Weinberg C.R., Baird D.D. Timing of sexual intercourse in relation to ovulation Effects on the probability of conception, survival of the pregnancy and sex of the baby . N Engl J Med. 333:1995;1517-1521.
4. Baird D.D., Weinberg C.R., Wilcox A.J., McConnaughey D.R., Musey P.I. Using the ratio of urinary oestrogen and progesterone to estimate day of ovulation. Stat Med. 10:1991;255-266.
5. Guida M., Tommaselli G.A., Palomba S., Pellicano M., Moccia G., Di Carlo C., et al. Efficacy of methods for determining ovulation in a natural family planning program. Fertil Steril. 72:1999;900-904.
6. Wilcox A.J., Weinberg C.R., Baird D.D. Post-ovulatory ageing of the human oocyte and embryo failure. Hum Reprod. 13:1998;394-397.
7. Task Force on Postovulatory Methods of Fertility Regulation . Comparison of three single doses of mifepristone as emergency contraception a randomized trial . Lancet. 353:1999;697-702.
8. Task Force on Postovulatory Methods of Fertility Regulation . Randomised controlled trial of levonorgestrel versus the Yuzpe regimen of combined oral contraceptives for emergency contraception. Lancet. 352:1998;428-433.
9. Tietze C. Probability of pregnancy resulting from a single unprotected coitus. Fertil Steril. 11:1960;485-488.
10. Holmes M.M., Resnick H.S., Kilpatric D.G., Best C.L. Rape-related pregnancy estimates and descriptive characteristics from a national sample of women . Am J Obstet Gynecol. 175:1996;320-325.
11. Barrett J.C., Marshall J. The risk of conception on different days of the menstrual cycle. Popul Stud. 23:1969;455-461.
12. Schwartz D., Mayaux M.J., Martin-Boyce A., et al. Donor insemination conception rate according to cycle day in a series of 821 cycles with a single insemination . Fertil Steril. 31:1979;226-229.
13. Dixon G.W., Schlessselman J., Ory H.W., Blye R.P. Ethinyl estradiol and conjugated estrogens as postcoital contraceptives. JAMA. 244:1980;1336-1339.
14. Vollman R.F. Assessment of the fertile and sterile phases of the menstrual cycle. Int Rev Natural Fam Plan. 1:1977;40-47.
15. Trussell J., Rodriguiz G., Ellertson C. New estimates of the effectiveness of the Yuzpe regimen of emergency contraception. Contraception. 57:1998;363-369.
16. Treloar A.E., Boyton R.E., Behn B.G., Brown B.W. Variation of the human menstrual cycle through reproductive life. Int J Fertil. 12:1967;77-126.
17. Wilcox A.J., Dunson D., Baird D.D. The timing of the "fertile window" in the menstrual cycle day-specific estimates from a prospective study . Br Med J. 321:2000;1259-1262.
18. Trussell J., Rodriguez G., Ellertson C. Updated estimates of the effectiveness of the Yuzpe regimen of emergency contraception. Contraception. 59:1999;147-151.
19. Hedricks C., Piccinino L.J., Udry J.R., Chimbira T.H. Peak coital rate coincides with onset of luteinizing hormone surge. Fertil Steril. 48:1987;234-238.