What are my chances of becoming pregnant?

Your chances of becoming pregnant: (typical use during the first year)
  • No birth control used: 85%

  • Barrier contraception
    • Cervical cap with spermicide: 20 - 40%
    • Vaginal sponge: 20 - 40%
    • Spermicides alone: 26%
    • Female condom alone: 21%
    • Diaphragm with spermicide: 20%
    • Male condom alone: 14%

  • Periodic abstinence: 25%

  • Withdrawal: 19%

  • Combined hormonal: estrogen/progesterone contraception
    • Estrogen/Progesterone oral contraceptives (birth control pills): 5%
    • Estrogen/Progesterone vaginal ring contraceptive (NuvaRing): < 1 -2%
    • Estrogen/Progesterone contraceptive injection (Lunelle): 1%
    • Estrogen/Progesterone contraceptive patch (Evra): 1%

  • IUD: < 1 - 2%

  • Progesterone only contraception
    • Progesterone oral contraceptive (Micronor): 6%
    • Progesterone implants (Norplant): <1%
    • Progesterone injection (DepoProvera): <1%

  • Sterilization - tubal sterilization (Female): <1%
  • Sterilization - vasectomy (Male): <1%

  • Total abstinence: 0%
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