- If not postmenopausal or surgically sterile, study patients must be willing to practice at least one of the following methods of birth control for at least a menstrual cycle before and after study drug administration: (1) Total abstinence from sexual intercourse with a male; (2) Sexual intercourse with vasectomized male partner; (3) Other acceptable forms of birth control (condoms, contraceptive sponge, diaphragm or vaginal ring with spermicide or cream); (4) Use of an intrauterine contraceptive device.