lybrel is the 365 day contraceptive pill that doesnt allow a "pill period" how likely would the following side effects be in a 17 year old with no history of them Sharp chest pain, coughing of blood, or sudden shortness of breath (indicating a possible clot in the lung) Pain in the calf (indicating a possible clot in the leg) Crushing chest pain or heaviness in the chest (indicating a possible heart attack) Sudden severe headache or vomiting, dizziness or fainting, disturbances of vision or speech, weakness, or numbness in an arm or leg (indicating a possible stroke) Sudden partial or complete loss of vision (indicating a possible clot in the eye) Breast lumps (indicating possible breast cancer or fibrocystic disease of the breast; ask your health care professional to show you how to examine your breasts) Severe pain or tenderness in the stomach area (indicating a possibly ruptured liver tumor) & liver problems im not on the pill currently having no period just appeals to me