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  • Title: [Postcoital contraception].
    Author: Hoffmann KO.
    Journal: Contracept Fertil Sex (Paris); 1984 Feb; 12(2):395-8. PubMed ID: 12265828.
    Abstract:
    Since 1979, Pro Familia, the German Association for Family Planning and Sexual Counselling, has offered a postcoital contraceptive program utilizing either the ethinyl estradiol (EE)-norgestrel combined oral contraceptive (OC) described by Yuzpe in Canada or a levonorgestrel-only regime. In the Yuzpe method, 4 pills each containing .05 mg EE and .5 mg norgestrel are taken, 2 in the 48 hours following the unprotected coitus and the other two 12 hours later. The other method requires that .6 mg of levonorgestrel be taken in the 12 hours following coitus. In 737 cases of administration of postcoital contraceptives in 26 Pro Familia clinics over the past 3 years, 85% of women were under 28 years old and almost 30% were 14-18 years old. The reasons for utilizing a postcoital method varied but were mostly related to the user, such as nonuse of contraception or forgetting of pills. 25% initiated treatment 1-12 hours after the unprotected intercourse, 44% 13-24 hours later, 27% 25-48 hours later, and 4% 49 or more hours later. In 1% of cases the timing was unknown. 54 patients were treated on cycle days 1-9, 435 on days 10-18, 178 on days 19-27, 37 on day 28 or later, and for 22 the cycle day was unknown. 16 intrauterine pregnancies and no tubal pregnancies occurred. The 522 patients receiving the combined OC treatment had 10 pregnancies for a failure rate of 1.9% and the 205 receiving the progestin-only treatment had 6 pregnancies, for a failure rate of 2.9%.
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