so last month i go to the dr. and get perscribed the metro gel for seven days i take it the full 7 days as instructed during this period  of time i start my usual scheduled menstration 15 days later i lightly cramp in my lower abdominal region and very lightly spot not even enough to wear a light tampon and it only lasted 1 1/2 days then come the next month round my scheduled period i start to get a white creamy discharge no smell no itching burning or nothing like that and my period never came i have taken a store bought pregnancy test and it was negative  but it still dont explain the headaches nausea without puking and the discharge please help me i have no clue what is going on with me