Effects of Yasmin

Yasmin® (drospirenone/ethinyl estradiol) is an oral contraceptive. It is taken on a daily basis to help prevent pregnancy.
Yasmin has many effects on the body. The medication works to prevent pregnancy primarily by stopping ovulation (the maturation and release of eggs from the ovaries). It also works by altering the cervical mucus (the fluid of the cervix, which is the lower, narrow part of the uterus that is connected to the vagina), making it more difficult for sperm to enter the uterus. Lastly, Yasmin alters the lining of the uterus (called the endometrium), making it less receptive to an embryo.
Yasmin was shown to be an effective birth control method in a large clinical trial. In this study, less than 1 out of every 100 women who used the drug for a year became pregnant. This is very effective, compared to many other methods of contraception. For instance, up to 14 percent of women using condoms for a year will become pregnant.
(Click Yasmin to learn more about the effects of Yasmin, to learn about the potential side effects of this medication, and for information on when and how to take this method of birth control.)
Last reviewed by: Kristi Monson, PharmD
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