HCG level only 307 at 4w3d bad!?!

Leah • Momma to Blaine Tyler & one on the way. 💘👶🏻💙🤞🏼

So I got my blood took while I was 4w3d and it was only 307... the lady who took my blood was saying that was kind of low.

Should I be worried!? 😭