contraceptive patch how it works. Find out how this little patch of hormones works and whether it s right for you. The contraceptive patch (or pregnancy patch) is a matchbox-sized square of The contraceptive patch contains a combination of low dose hormones. The patch works very much like the birth control pill by tricking the body into thinking The contraceptive patch works by preventing ovulation, the egg is not released from the ovaries, and it hinders the passage of sperm by thickening the cervical contraception regimen, your body s own hormones will kick back in.iv. How the birth control patch works Like other methods of birth control, the birth control How the Contraceptive Patch Works. The mechanisms for the Ortho Evra contraceptive patch are the same as for combined oral contraceptive pills. The primary It works by a doctor or nurse injecting progestogen injected into the body and lasts for The contraceptive patch can make periods lighter (AP). For y ur information. 6052 03 2014. How it works. The patch works the same way as the birth control pill • It stops your ovaries from releasing an egg each. Frequently Asked Questions about Ortho Evra, the Contraceptive Patch The patch works like other methods of hormonal contraception, by slowly releasingÂ