Hello there, I was 7 days late on my period, had frequent urination, back pains, slight abdominal pain at times, took a home test on 4th day but came negative. I thought I will still be pregnant, but I just experience red blood flow. Will i still be pregnant? Or its just late period. Last period was 20th of December unprotected sex on 3rd January was suppose to hAve period on 20th January. Could I still be pregnant?