Yaz Contraceptive

Although healthcare providers primarily prescribe Yaz® (drospirenone/ethinyl estradiol) as a contraceptive, Yaz is approved for other uses as well. The birth control pill can also be used to treat symptoms of premenstrual dysphoric disorder (PMDD) and acne in women who also desire contraception.
Yaz is a combination oral contraceptive that contains an estrogen and a progestin. The drug works to prevent pregnancy by stopping ovulation (the maturation and release of eggs from the ovaries). It also alters the cervical mucus (making it more difficult for sperm to enter the uterus) and the lining of the uterus (making it less receptive to an embryo).
Yaz was shown to be an effective birth control method in a large clinical trial. In this study, for every 100 women who used the drug for a year, one or two became pregnant. Compared to other types of contraceptives, Yaz is very effective (for instance, up to 14 percent of women using condoms for a year will become pregnant).
(Click Yaz to learn more about the effects of Yaz, for information on when and how to use this method of birth control, and to find out what side effects may occur with this medication.)
Last reviewed by: Kristi Monson, PharmD
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