This is such a difficult thing to advise you on. With 2 of my m/c I had a completely closed cervix, with one I had bleeding, with the other none at all. No cramping either time. So that can happen, and it still be a loss. What confuses me is that your HCG levels are rising, and I don't understand why they can't tell you if its tubal. On one hand, if its tubal and you wait this out, it can cause serious problems. If its not tubal, I don't understand what their hurry is.