How effective is the birth control patch?

Dr Rosemary Leonard The patch sticks to the skin. If used correctly, it is a very effective form of contraception. Between 3-90 women in 1,000 using the contraceptive patch will become pregnant each year. It is about as effective as the COC pill. For more information on the contraceptive patch, go to https://patient.info/health/hormone-pills-patches-and-rings/contraceptive-patch