True about pearl index:
Correct Answer: Contraceptive failure
Description: Ans. (d) Contraceptive failureRef: Park's PSM 21sted. 1472* Pearl index is used to measure the contraceptive efficacy/ contraceptive failure.* It is defined as the number of failures per 100 women- years (HWY) of exposure.P/ =Total accidental pregnancies------------------------Total months of exposurex 1200* Another method used to measure contraceptive failure/ efficacy is life table analysis.* Life table analysis: calculates failure rates for each month of use.
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Social & Preventive Medicine
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