suitable progestins include trimegestone nomegestrol dienogest norgestrel levonorgestrol cyproterone acetate 3 ketodesogestrel or etonogestrel desogestrel gestodene norethindrone drospirenone medroxy progesterone acetate megestrol acetate norgestimate 17b deactyl norgestimate osaterone norethindrone acetate lynestrenol norethynodrel and ethynodiol diacetate combination oral contraceptives containing estrogen and progestins are commercially available such as those sold under the tradenames alesse u00ae brevicon u00ae demulen u00ae desogen u00ae estrostep u00ae harmonet u00ae levlen u00ae levlite u00ae levora u00ae loestrin u00ae loette u00ae loovral u00ae micronor u00ae minesse u00ae minulet u00ae mircette u00ae modicon u00ae necon u00ae nordette u00ae norinyl u00ae ortho cept u00ae ortho cyclen u00ae ortho novum u00ae ortho tri cyclen u00ae ovcon u00ae ovral u00ae ovrette u00ae trilevlen u00ae trimiron u00ae triminulet u00ae tri norinyl u00ae triphasil u00ae trivora u00ae and zovia u00ae kits of the present invention may contain multiple cycles dosages of various combination oral contraceptive arranged to appropriately decrease the effective dosage of total steroid from the penultimate cycle pack to the last cycle pack for instance a kit of the present invention might combine as a first cycle nordette u00ae as a second cycle triphasil u00ae and as a third cycle alesse u00ae alternatively a kit of the present invention might combined first and second cycles of nordette u00ae third and fourth cycles of triphasil u00ae and a fifth cycle of alesse u00ae in another embodiment of the invention the kit might present a first cycle of levora u00ae a second cycle.