I know it's not the answer you wanted to hear, but now you know and can move forward. Maybe you'll have a BFP in the next month. Wouldn't that be nice? I hope you are feeling okay and I'm glad you know what your next step is! GOOD LUCK!
with your IVF. I'm really surprised since you just had a baby. Do they know what caused the block? I know it's not what you planned, but I'm for the best for you!