Method

Effectiveness

Cost

Abstinence

100%

None

Cervical cap

Have not had a child:
80-90%

Fitting fee: $60,
Spermicide: $4-$8

Have had a child:60-80%

same

Condom, Male

86-98%

$0.50 each

Condom, Female

79-95%

$2.50 each

Depo Provera

99.7%

$30-$75 per injection
(every three months)

Diaphragm

80-94%

$25, fitting fee: $60,
spermicide: $4-$8

IUD

97.4-99.2%

$150-$300

Lunelle

99%

$30-$35 per monthly injection

NFP

75-99%

$7 for basal thermometer,
class fees vary

Norplant

99.95%

$500-$750

Pill

95-99.9%

$15-$25 per month

Spermicidal foam,
gel or film

72-94%

$8 per tube

Tubal ligation

99.5-99.9%

$1,000-$2,500

Vasectomy

99.5-99.9%

$240-520

Withdrawal

81-96%

none