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Contraceptive Patch (Evra)
What is it?
The patch is a weekly hormonal birth control method that is worn on the skin to prevent pregnancy. The hormones are the same as those in the birth control pill. A new patch is worn for a one week interval, for three weeks. You need to go to a doctor or clinic to get the patch.
How does it work?
The patch prevents pregnancy by:
- preventing the ovaries from releasing an egg:
- making the cervical mucous thick so the sperm can't swim inside; and
- making the lining of the uterus thin so that the egg can't stick.
- about 99% effective if used correctly;
- easy for most women to use;
- few side effects; and
- lighter and more regular periods with less cramps.
- costs approximately $35.00 per month at a pharmacy;
- may be less effective in women with body weight over 90 kg (198 lbs.);
- you have to remember to change the patch every seven days;
- may cause minor side effects, such as spotting, breast discomfort, headache or nausea; it may cause skin irritation for some women. Serious side effects, like blood clots, are rare; and
- some medications decrease the effectiveness of the patch. Tell your health care provider about any medication you are taking. Using condoms will provide extra protection.
- the patch does not protect against sexually transmitted infections. Use condoms every time; and
- if you smoke - quit. Smoking while on the patch increases the risk of serious effects on the heart and blood vessels.
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Last Revised/Reviewed
Wednesday, 2008-07-23 9:40 AM
