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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/13460

Title: Clinical experience with implant contraception
Other Titles: Contraception
Authors: Coutinho, Elsimar Metzker
Issue Date: 1978
Publisher: Contraception
Abstract: Subdermal implants of polysiloxane (Silastic) capsules containing a number of synthetic progestagens have been studied in clinical trials to determine their contraceptive effectiveness and acceptability. The steroids studied include norgestrienone (R2010), gestrigone (R2323), megestrol acetate, d-norgestrel, norethindrone, ST-1435, lynestrenol and R-1364. With some of these steroids, studies have been undertaken with a varying number of implanted capsules. The estimated duration of use varies from 6 months to 6 years depending on dose and release rate of the individual steroid. The results of these studies involving about 5000 women in 8 years, indicate in general a high rate of effectiveness, as well as acceptability. Continuation rates at one year were generally 80% or greater. Abnormal bleeding patterns are the major disadvantage. Studies with implants containing a combination of estrogen and progestogen are being undertaken in an attempt to improve the bleeding pattern.
Description: Texto completo. Acesso restrito. p. 411–427
URI: http://repositorio.ufba.br/ri/handle/ri/13460
ISSN: 0010-7824
Appears in Collections:Artigos Publicados em Periódicos (Medicina)

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