11. Women of childbearing potential should be advised to avoid becoming pregnant and practice effective methods of contraception. Men should be advised not to father a child while receiving treatment with azacitidine. Azacitidine is classified as Pregnancy Category D. Females of childbearing potential: Recommendation is for 2 effective contraceptive methods during the study. Adequate forms of contraception are double-barrier methods (condoms with spermicidal jelly or foam and diaphragm with spermicidal jelly or foam), oral, depo provera, or injectable contraceptives, intrauterine devices, and tubal ligation. Male patients with female partners who are of childbearing potential: Recommendation is for male and partner to use at least 2 effective contraceptive methods, as described above, during the study.