I don't think it's necessary to have those hormones in order to wAnt affection or cuddles.
However I do know several women who have suffered massive loss of self identity when having a hysterectomy.
Like it's tied to the very idea of being a woman, feminine and to follow that thinking, attractive.

Try and imagine how you would feel as a man if you had your balls removed?

This might take you some way to finding out how she is feeling.
There are also many aspects I menopause that just leave you feeling uncomfortable and irritable in your own skin.

I could of course be miles off with either of these suggestions since I don't know your S.O.

However they may be worth considering.