Didn’t ovulate with second round of letrozole?

Sa

So, I’m on second round of letrozole..5mg on CD 3-7.

Just got my progesterone back for CD 21. It was 0.4. I feel destroyed. Has anyone not ovulated the second time with it?

The first time, I guess I ovulate with a 9.3.... but didn’t conceive.

Now the second time, nothing?!? Is it just a late ovulation? I feel just destroyed, not feminine, and just awful.