I have been off BC for almost three months. I had a period after 45 days from the last day I was on BC now its been 46 days since the start of my last period. I have had sex without protection a number of times but am not tracking my ovulation. Now my boobs are sore but when I took a home pregnancy test is came back negative. My sister didn't test positive on a home pregnancy test until she was further along. Should I go to the doctors and get a test done?