i usually have really bad pain while my periods (dysmenorrehea)and my gyne gave me sapofen 200 for that ,but now my period were due on 13-14 and i took primolut N on 10 now i m feelig really heavy in my stomach/abdominal area and feeling of bloating i usually have nausea and bad condition during period now i want to ask when ill stop eating Primolut N when should i start sapofen to prevent pain please help!