Hi Shastar I am sorry I can't help you with pre BT levels as I never had mine checked on any of my many cycles, however when I got a BFP for my girls my progesterone level was 59, which is still fine, so I would say your levels are fantastic. I believe they can fluctuate day to day and as long as they don't drop below 40 you should be fine. Good luck for this cycle and hope all your worried are unfounded. Xx