In September I was 15 days late when I had a dime size spot of brownish blood when I wiped, in October I had a dime size spot of brownish blood when I wiped, in November I had no signs of blood at all, now December 1 I had a dime size pinkish and then brownish spot of blood my breast are very sore and my breast don't normal be sore at all can I be pregnant I had 2 negative hpt back in October.

In September I was 15 days late when I had a dime size spot of brownish blood when I wiped, in October I had a dime size spot of brownish blood when I wiped, in november I had no signs of blood at all, now December 1 I had a dime size pinkish and then brownish spot of blood my breast are very sore and my breast don't normal be sore at all can I be pregnant I had 2 negative hpt back in October.
YES U CAN

If you haven't taken a pregnancy test since October, I would suggest taking another one now. If it is negative I would set an appt with your doctor, get a blood pregnancy test to be sure... then discuss your cycle changes with them.