What are the side effects of the birth control pill?
Common Side Effects of Birth Control Pills: Breast tenderness, nausea, headache. These usually resolve within 3-6 months. Serious (but rare) Side Effects of Birth Control Pills: Blood clots which can lead to stroke, pulmonary embolism (blood clot to the lungs) and heart attack. There is no evidence that the birth control pill increases the risk of breast cancer. Are there any benefits to being on the birth control pill? There are many benefits to being on the birth control pill. Women who use birth control pills for an extended period have a significantly reduced risk of developing ovarian and endometrial cancer, pelvic inflammatory disease and iron-deficiency anemia.