whether oral contraceptives are safe and effective in obese women
March 2011
There's controversy about whether oral contraceptives are safe and effective in obese women.
OCs seem to have a slightly higher failure rate in obese women. Failure rates increase from about 2 per 100 women per year at a BMI of 25...to about 3 per 100 women per year at a BMI of 35.
Obese women are also at higher risk for thrombosis due to OCs.
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