I AM 2 MONTHS LATE FOR MY PERIOD. I HAVE TAKEN MULTIPLE HOME PREGNANCY TESTS AND THE RESULTS ARE NEGATIVE. AFTER HAVING MY DAUGHTER, MY PERIODS WERE NORMAL. THIS IS THE FIRST TIME THAT MY PERIODS ARE LATE OR MISSED. JUST LAST WEEK, I HAD BROWN TO DARK BROWN SPOTTING BUT ENDED A DAY LATER. WHAT COULD THIS MEAN? I HAVE THOUGHTS THAT I COULD POSSIBLY BE PREGNANT, BUT THE RESULTS SAY OTHERWISE. SHOULD I GO SEE A DOCTOR?