Birth Control: How to Use the Patch
Talk to your doctor about what day to start using the patch. It is usually recommended that the first patch be placed on the first day of your next menstrual period. If the patch is started on any other day, use a backup method of birth control for 7 days. Start the patch on a day that is easy to remember.
The patch can be applied to your lower abdomen, buttocks, or upper body but not on the breasts. Apply a new patch once a week on the same day of the week for 3 weeks. The patch delivers the hormones daily over 7 days. Wear each patch continuously until you replace it the following week. No patch is worn during the fourth week, so you have a menstrual period.
A small number of women have reported that the patch has partially or completely come off. If this happens before your patch is due to be changed, apply a replacement patch right away.
A small number of women have some mild to moderate skin irritation from the patch.
When you remove a patch, dispose of it carefully. Because of environmental concerns about hormones in the water supply, don't flush it down the toilet.
The patch delivers more estrogen than low-dose birth control pills do. The U.S. Food and Drug Administration (FDA) warns that women using the patch are more likely to get dangerous blood clots in the legs and lungs than women using birth control pills. So talk to your doctor about your risks before using the patch.
Direct sunlight or high heat can increase, then lower, the amount of hormone released from a patch. This can give you a big dose at the time and leave less hormone for the patch to release later in the week. This increases your risk of pregnancy. Avoid direct sunlight on the hormone patch. Also avoid using a tanning bed, heating pad, electric blanket, hot tub, or sauna while you are using a hormone patch.
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