5 Unexpected Benefits of Going on Birth Control Pills

"Some birth control pills may make you bleed less and for fewer days," says Dr. Landa. That's due to the progestin hormone them, which can thin the lining of the uterus, causing periods to be lighter. "This is, of course, beneficial to women who have very heavy periods," the doctor said, since heavy bleeding can cause anemia or a low blood cell count, which can lead to more serious health issues.