hi,i am 14 days late i tuk a test on friday and it came bk negative my period still hasnt *** i also went to the medical centre jus to make sure i dint have any infection tht came bak clear,the doctor told me to do the the test in bout 8 to 10days now for the past few days i have been getin very bad crampin and abdominal pain, its nothink like period pains could i be pregnant?