Low Beta, Positive FRER.

Malwina

So I went in today for a beta at 10 dpo and it came back at 3.8. My RE thinks I either implanted late or it isn’t a pregnancy. I came back home from work this afternoon and took a first response pregnancy test and it came back positive.. I also took a cheap pregnancy test and that came back positive as well.. Anyone have any similar success stories for me?