What is the patch for birth control?
The birth control patch, or Ortho Evra, is a transdermal (meaning “through the skin”) contraceptive method, which supplies the body with hormones that prevent pregnancy. Much like other skin patches, such as the nicotine patch, the birth control patch works by delivering medicine to the body directly through the skin.Using the PatchA small adhesive patch is worn on the skin for three weeks out of each month. A new patch is applied at the start of each week. No patch is used during the fourth week of the month. The patch is worn on the torso (excluding breasts), buttocks, abdomen, or upper arm.How it WorksThe patch works by delivering a combination of hormones–synthetic estrogen and progestin–into the body. As with other hormonal contraceptives, the patch works by preventing ovulation. It also causes changes in cervical mucus, which can block the passage of sperm.EffectivenessSimilar to other hormonal contraceptive methods (like the pill and NuvaRing), the patch is considered about 99
