How Does Sprintec Work?

Sprintec® (norgestimate/ethinyl estradiol) is a combined oral contraceptive -- this means it contains two types of hormones: an estrogen (ethinyl estradiol) and a progestin (norgestimate). The primary way in which Sprintec works is by stopping ovulation; however, it also produces certain changes in the cervical mucus and in the lining of the uterus.
In order for it to work properly, Sprintec must be taken as directed. There is only one standard recommended dose of this product, regardless of your age or weight. The medication is taken by mouth once a day, at the same time each day.
(Click Sprintec for a closer look at how this form of birth control works. Other topics discussed in this full-length article include problems that may occur while taking it and general precautions to keep in mind.)
Last reviewed by: Kristi Monson, PharmD
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