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Yasmin Contraceptive

The oral contraceptive Yasmin® (drospirenone/ethinyl estradiol) is commonly used to prevent pregnancy. It is different from other traditional birth control pills in an important way.
The progesterone that Yasmin uses (drospirenone) is closely related to spironolactone, a medication used as a diuretic ("water pill"). Drospirenone has anti-androgenic activity, which means that it works against testosterone and other "male" hormones. All women have a small amount of these "male" hormones that can cause acne and other problems. Also, drospirenone may increase the level of potassium in your blood, which can be a problem for some women.
This product is a combined oral contraceptive that contains both an estrogen and a progestin. It works to prevent pregnancy primarily by stopping ovulation (the maturation and release of eggs from the ovaries). However, 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) and the lining of the uterus (called the endometrium).
(Click Yasmin to find out when and how to take Yasmin, for information about the effectiveness of this method of birth control, and to learn about the potential side effects of this oral contraceptive.)
Last reviewed by: Kristi Monson, PharmD
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