Birth control patch

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You can place the hormone patch on your lower abdomen, buttocks, or upper body but not on your breasts. Apply a new patch once per 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. During the fourth week, you wear no patch. This is when you have a menstrual period.

Should the patch partially or completely come off before it is due to be changed, apply a replacement patch right away.

Patch warning. 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.