12. #11 Cont'd. Acceptable methods of contraception are as follows: Single method (one of the following is acceptable): intrauterine device (IUD), vasectomy of a female subject's male partner, contraceptive rod implanted into the skin. Combination method (requires use of two of the following): diaphragm with spermicide (cannot be used in conjunction with cervical cap/spermicide), cervical cap with spermicide (nulliparous women only), contraceptive sponge (nulliparous women only), male condom or female condom (cannot be used together), hormonal contraceptive: oral contraceptive pill (estrogen/ progestin pill or progestin-only pill), contraceptive skin patch, vaginal contraceptive ring, or subcutaneous contraceptive injection. Abstinence is acceptable if this is the usual lifestyle and preferred contraception method for the subject.