Spotting

Kristen • Hubby & I have been together 10 years, married 11/8/14. Angel Baby - 10/22/15. Rainbow Baby Girl, Maggie, born 10-18-16!
I miscarried at 7w2d in October and have been trying again since January. Well this morning at 11DPO I testing and got 3 POSITIVES!!!! My doctor is VERY quick to see his patients, he wants you to call the day you get a BFP & he sees you that week no matter how early you are. I called to make my appointment & he had some openings so he told me to come on in. So at 2:30 I had my labwork drawn. He told me he'd text me the results tomorrow and he'd see me again next Tuesday for more labwork. Then at 3:30 while out shopping I went to the bathroom and had 3 bright red, quarter sized blood spots when I wiped. I texted my doctor (he texts all of his patients for quick responses) and he called me in progesterone & wants to see me Friday for labs. I'm so scared. I can't go through another miscarriage.
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Update: It's now 11:30pm, I haven't had any more bright red bleeding, just some light, light brown spots/streaks when wiping. I started my Progesterone. Keeping my fingers crossed, I don't want to go through another loss!