Effective and Less Effective methods

Method PPY* Features
Male condom 15 Latex and synthetic products provide STI protection
Diaphragm with spermicide 16 Fitted by a trained provider. Have patient demonstrate proper insertion and removal. Insert prior to intercourse; Leave in for at least 6 hours afterwards. Should be removed by 24 hours to minimize risk of vaginal irritation and cystitis.
Withdrawal 18 Requires high level of partner awareness and control
Female condom 21 Some protection from STIs
Cervical cap with spermicide (e.g. FemCap) 14 (29 if prior vaginal delivery) Fitted by a trained provider. Have patient demonstrate proper insertion and removal. Insert prior to intercourse; Leave in for at least 6 hours after intercourse.
Contraceptive sponge (contains spermicide) 16 (32 if prior vaginal delivery) Nonprescription (over-the-counter) product
Fertility awareness methods (e.g. calendar, cervical mucus) 25 More effective for women with consistent menstrual cycles
Spermicide (foam, gel, suppository, film) 29 Nonprescription (OTC) products
*PPY = pregnancies per year that occur among 100 women with typical use of the method.