Prospective experience with a levonorgestrel implant--Norplant.

PIP: The clinical trial of a longacting levonorgestrel implant, Norplant, as a reversible method of contraception in 2 outpatient clinics of 2 hospitals in Colombia, has had very promising results. In almost 400 acceptors, with thus far more than 2600 woman-months, the pregnancy rate has been nil. Results of the 1st 300 cases are summarized, illustrating 2 sites of insertion--the inner region of the left arm and the left scapular region, both of which present some advantages. Secondary effects and other parameters are analyzed, including irregular bleeding and amenorrheas. Finally, some comments are made in relation to site, extraction, acceptability, and future use of the method. (author's) modified^ieng