Ortho evra how long does it take to work

14 de jan. de The time it takes for a birth control patch to become effective depends on when you had your last period. If you start using the patch within. 15 de dez. de Long-acting injectable depot medroxyprogesterone acetate is the only Ortho Evra, or Nuvaring (may continue if method is already in use. The Patch, Ortho Evra, is now shown to put women at greater risks than birth control pills did by exposing women to high levels of estrogen.