Mortality associated with sterilization: Preliminary results of an international collaborative observational study

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Abstract
Sterilization is the contraceptive method most widely used worldwide, yet the case-fatality rate of deaths attributable to sterilization is not known. We used data collected from 1971-1979 from 28 countries by Family Health International to estimate case-fatality rates. We adjusted these rates for individuals lost to follow-up. Of 41,834 sterilizations, 23 resulted in deaths temporally associated with the procedure used. The adjusted attributable case-fatality rates were 13.4 per 100,000 for interval procedures, 53.3 per 100,000 for postabortion procedures, and 43.4 per 100,000 sterilizations after vaginal delivery. Multiple factors contributed to the deaths, including pre-existing health problems, infection and anesthesia. Prevention of deaths resulting from sterilization depends on complete ascertainment of deaths associated with sterilization and careful investigation to determine preventable risk factors. We conclude that, overall, sterilization in these programs was conducted with very low attributable mortality.

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