Contraceptive Patch
This is a thin, beige patch about the size of a matchbox, which can be applied to any part of the body except the breasts. There is only one patch available at this time it is called the Evra Patch.
The patch releases progestogen and oestrogen, the same hormones used in the combined contraceptive pill, into the bloodstream through the skin. A new patch is applied every week for three weeks.
On the fourth week no patch is applied, to allow for a period bleed after which the cycle begins again. Full instructions of how to apply the patch correctly are available from the prescribing doctor and also with in the accompanying instructions.
As with any contraceptive its effectiveness depends on how well the instructions are followed. With perfect use the patch is over 99% effective meaning that less than 1 woman in 100 will become pregnant in a year.
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