I had severe lower back pain about the same time and definitely thought I was out as I had some bleeding too but got my BFP 11dpt and now 6+2(still very early days).
I felt the same as you, if you check my posts…I almost didn’t test, I was so certain it hadn’t worked.
Hoping this is a good sign for you Lovely! My only BFP has been on a natural cycle, after our most recent IVF had failed, so it's a bit different (I wasn't on progesterone or anything, for instance). But my main symptom was cramping, and like you I never normally suffered cramps before I came on - I've only ever had cramps for a few hours on day 1 once I'd actually started to bleed.
As you know, symptom spotting in the 2WW is notoriously tricky, and the same symptoms can mean completely different outcomes for different people 🤯 So in short, as you know it could go either way, but don't assume it's a bad sign. Hopefully you'll have good news, fingers crossed 🤞 Do whatever you can to take your mind off it for now! xx
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