Re: thickened uterine lining
I hope you have been made aware that by removing the ovaries you will go into surgical menopause. This is an issue you will have to deal with post surgically, either with hormone replacement or, if not, with calcium supplementation to reduce your risk of osteoporosis. The ovaries produce estrogen which protects you from this until menopause .. then within the first five years of menopause you loose a substantial amount of bone mass so you have to protect against this as much as possible.
I am curious, did your doctor recommend ovary removal or was this your idea ? Ovarian cancer is not all that common and although removing the ovaries removes the risk of ovarian cancer, there is a similiar cancer called peritoneal cancer which behaves exactly like ovarian cancer that you could still get (again, this cancer is rare, like ovarian cancer).
I hope you are aware of all of the risks and other options before going ahead with the surgery. If you are and you have still made the decision to go ahead with it, then I wish you all the best for a very speedy recovery.