As I recall, this is one reason why thyroid problems and menopause go together so often, since progesterone levels plummet. Or there is no
more progesterone at all after surgical menopause.
I am so sorry you are having these struggles. Get ahold of Reiss's book and Northrup's (I just typed Nordstrom by mistake...so, I guess if you don't get any answers, well, heck, you could go shopping!