Beta HCG Blood test Today

The 2ww is finally over. I took a couple of target brand tests the other day and both came up with light lines. I went in today to get my blood drawn to check my Hcg levels. Dr called back not that long ago, it was positive, but the bad news is that the level is very low at 7. Normal Hcg levels should be between 48- 150 at 14DPO. She told me not to get my hopes up, that I most likely will miscarry, but she also said that it could be too early and my levels aren't high enough yet. I have a bad feeling about this. I go back in on Thursday to get my HCG levels rechecked. Stick lil one, Stick!!!