The Patch (Ortho Evra)

This is a skin patch worn on the lower abdomen, buttocks, or upper body. It releases the hormones progestin and estrogen into the bloodstream. You put on a new patch once a week for three weeks, then do not wear a patch during the fourth week in order to have a menstrual period.

The patch is 99% effective at preventing pregnancy, but appears to be less effective in women who weigh more than 198 pounds. It does not protect against STDs or HIV.

The Food and Drug Administration approved this method in 2001. You will need to visit your health care provider for a prescription and to make sure you are not having problems.

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