I had a medical management 3 weeks ago after a mmc at 10 weeks. I've got no pregnancy symptoms anymore and we are pretty sure I passed the sac. But today I took a pregnancy test at the 3 week mark as recommended by the epu and though it is much fainter than when I tested at about 5 weeks it is still positive. How long did it take to become negative? Could it mean there might still be some stuff left behind or would it be still a strong positive if that was the case?