21) The Ortho Evra contraceptive skin patch is worn for ________ before being replaced.
22) Kasia has been using the Ortho Evra contraceptive skin patch for six months when she is surprised by a positive pregnancy test. Which of the following could NOT be a reason she became pregnant while using contraception?
A) Kasia recently gained weight and now weighs over 210 pounds.B) Kasia noticed her patch had fallen off one morning but couldn't remember it happening so placed a new patch and waited 24 hours to have sexual intercourse.C) Kasia was tired of wearing her patch on her abdomen, so she started wearing it on her outer arm.D) Kasia kept one patch on for 10 days by accident, but applied a new one as soon as she realized her mistake.
23) Compliance seems higher for the contraceptive skin patch than for oral contraceptives because
24) After insertion, the NuvaRing (vaginal contraceptive ring) is left in the vagina for ________ before removal.
25) The NuvaRing offers pregnancy protection for how long?