I took the abortion pill about 7 weeks ago and bled. I have had unprotected sex since then. I went for my follow up about 2 weeks ago and they did a pregnancy test which was negative and they also did an ultrasound in which the doctor said the abortion was complete she only saw a small clot that should expel when I get my period. Its been almost 8 weeks now since abortion and no period. I took a pregnancy test yesterday and it shows a faint positive. Could I really be pregnant? If so, how can I determine my due date?

Did you have a typo and say you HAVE had unprotected sex since taking the morning after pill? I think you meant to say you HAVEN'T. Just wanted to clear that up.

If it wasn't a typo that pill would probibly not have been very effective. Its not even 100% effective when taken AFTER having sex.

Its not meant to be a substitute for birth control...

Is it possible to be pregnant... yes... but its not highly likely. You could have your doctor do a blood type pregnancy test... they are more accurate than the home tests.