Effectiveness Rate of Birth Control Methods
The following table compares the effectiveness of different birth control methods. The column on the right shows the number of women out of 100 who will have an unplanned pregnancy in the first year of using a method. These numbers represent studies of real-life usage.
You can improve on the real-life failure rate of birth control methods by consistently using birth control methods as directed. But even if used perfectly each time, a method will still fail to prevent a pregnancy in a certain number of women.
The numbers shown in this table show the typical use rates for the average population, including people who use their birth control very carefully and those who do not.
eMedicineHealth Medical Reference from Healthwise
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