Skip Navigation LinksHome > August 1986 - Volume 68 - Issue 2 > Two-Year Prospective Study in Colombia of Norplant Implants.
Obstetrics & Gynecology:
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Two-Year Prospective Study in Colombia of Norplant Implants.

LOPEZ, GUILLERMO MD; RODRIGUEZ, ARTURO MD; RENGIFO, JAIME MD; SIVIN, IRVING

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Abstract

A clinical trial of levonorgestrel-releasing Norplant implants used for contraception was undertaken in two cities in Columbia. Through two years in which 389 women had accumulated 594 years of use, there were no pregnancies. In a comparison group of copper intrauterine device acceptors, the one-year pregnancy rate was 1.1 per 100. Menstrual disturbances associated with progestin-only administration were the principal side-effects, and the major reason for cessation of use. Continuation among users of the implants was at the same or at a higher rate than observed among users of the intrauterine device. Advantages and disadvantages of alternate sites for implant placement are discussed.

(C) 1986 The American College of Obstetricians and Gynecologists

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