Has anyone ever gotten a negative blood test around when you would've been 4 weeks and gone on to get a positive?? I have never missed a period ever. Not even after I had surgery and they said I would. And I'm now a week late with tons of symptoms. But according to Glow I would only be 4 and a half weeks along technically. So too early to really tell. Mostly just looking to see if anyone has gotten an early blood test that was negative but ended up actually being pregnant?? Thanks so much!