This document summarizes the composition and use of the Ovorest birth control pill. The 21 white pills each contain 0.15 mg of levonorgestrel and 0.03 mg of ethinyl estradiol for contraception. The 7 brown pills are inert. Levonorgestrel is a widely used progestin that works by inhibiting ovulation and thickening cervical mucus. Ovorest can be used for contraception, treatment of abnormal uterine bleeding, and painful periods, but is contraindicated in several medical conditions. Patients take one white pill daily for 21 days followed by one brown pill daily for 7 days, with withdrawal bleeding typically occurring 2-4 days after the last white pill. Common side