A 5-year evaluation of NORPLANT contraceptive implants in China.


OBJECTIVE To assess the efficacy, safety, and acceptability of NORPLANT implants when used by Chinese women. METHODS In a prospective, multicenter clinical trial, 10,718 women selecting NORPLANT implants were monitored semiannually for the first 2 study years and then annually through 5 years. Life table rates of pregnancy and other terminations were… (More)


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