I am 15 weeks. I bled heavily with cramps at 9 weeks. All they can do is check an ultrasound to make sure every thing is OK, Tylenol for pain and peliv rest. I then bled again at 13 weeks it was old blood Brown with clots. You may have a sensitive cervix like me. Hopefully things work out. Blood doesn't always mean something is wrong :)
I had twins and doctor always told me blood is NOT normal id go in to the hospital to make sure
You should. Better safe than sorry