How Does Ocella Work?

If your healthcare provider has prescribed Ocella™ (drospirenone/ethinyl estradiol), you may have questions about how it works. As a combined oral contraceptive, Ocella contains both an estrogen and a progestin. These hormones help prevent pregnancy in a number of ways. The main way in which Ocella works is by stopping ovulation (the maturation and release of eggs from the ovaries).
However, it also changes the cervical mucus, which makes it more difficult for sperm to enter the uterus. In addition, Ocella alters the lining of the uterus (the endometrium), making it less receptive to an embryo.
(For more details on how this birth control pill works, click Ocella. This article explains how to use it and talks about what you should be aware of before using this form of contraception.)
Last reviewed by: Kristi Monson, PharmD
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