Effectiveness;* method | Cost estimate† |
---|---|
Tier 1: < 1 pregnancy per 100 per year | $$$ |
Intrauterine contraceptives (hormonal or nonhormonal), effective for up to 5 yr | |
Tier 2: 4–12 pregnancies per 100 per year | $$ |
Injectable contraceptives (depot medroxyprogesterone acetate), repeated every 3 mo | |
Oral contraceptives, vaginal ring or transdermal patch, repeated monthly | $$ |
Tier 3: ≥ 18 pregnancies per 100 per year | |
Male condom | $ |
Diaphragm + spermicide | $$ |
Female condom | $$ |
Fertility awareness methods/calendar | Free–$ |
Withdrawal | Free |
No method | Free |