Hello, Side effects of Yasmin pills are breast pain or tenderness, unusual tiredness or weakness, stomach pain, pain in the chest/groin/ legs, pelvic pain, breast enlargement. You are experiencing the side effects of Yasmin pills. You are suggested to consult your health care provider so that you can take some other pills that suits you better and experience less side effects. You can take antacids; it will help to relieve discomfort. Taking Spasmol, one stat when needed will help you get rid of sharp pain that you are experiencing. If you had unprotected sex, get pregnancy test done to rule out pregnancy. If found pregnant, you will be treated accordingly. Get a consultation and examination by a gynecologist, with blood tests and imaging tests (USG, etc.) to detect pregnancy, ectopic pregnancy or any underlying condition with your symptoms. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Nupur K., General & Family Physician