They have tons of articles, from what to expect, what to do to prepare for the hospital, anesthesia, different
types of
hysterectomy. They even have a site just for your partner, and what he can expect from everything.
https://www.hystersisters.com/vb2/articlelist_170.htm
https://www.misterhystersisters.com/faq.php?threadid=152196
I'm almost 20 years out from mine, and even with all the challenges, I don't have a single regret.