Alesse (Levonorgestrel/ Ethinyl Estradiol) works by preventing ovulation (the release of an egg from an ovary) and causing changes in the mucus of the cervix which make it difficult for s...
Ortho Tri-Cyclen(Ethinyl Estradiol/Norgestimate) is indicated for the prevention of pregnancy in women who elect to use oral contraceptives as a method of contraception, a highly effecti...