What are the success rates for each contraceptive method?
Tubal ligation (female) – 99.9% Vasectomy (male) – 99.9% Available with a prescription: Implant (over 5 years) – 98.0% Injectable contraception – 99.0% Combined Contraceptive Pill – 99.0% Progestogen-Only Pill – 98.0% Intra-Uterine Device (I.U.D.) – 98.0% Intra-Uterine System (I.U.S.) – 99.0% Available without a prescription: Condom with spermicide – 95.0% Condom only – 94.0% Success rate Female condom – 95.0% Success rate Diaphragm with spermicide (foam or jelly) – 92.0% Natural Family Planning: Withdrawal – 77.0% Rhythm method – 76.0% Ovulation predictor – 94.