If at all possible try to keep the ovaries or atleast one, this will help prevent you from going into surgical menopause, that hits a woman hard as we are not slowly glided into menopause a nature intends,
Im glad you checked your Drs credintals good for you, smart move,
If at all possible ask your surgeon if he can do the DaVinci method of hysterectomy
, this is the very best, less blood loss, easier healing.
About the constipation, are you taking narcotic pain