Had a TAH-BSO in 1990. It was the best thing that ever happened to me. Here's more information about them. Depending on her age she will probably need to be on HRT (Premarin).
http://www.surgeryencyclopedia.com/Fi-La/Hysterectomy.html - Hysterectomy - Definition, Purpose, Demographics, Description, Diagnosis, Preparation and Aftercare. From the Encyclopedia of Surgery.
http://womenshealth.gov/faq/hysterectomy.htm - FAQs about Hysterectomy from the National Women's Health Information Center
http://www.nlm.nih.gov/medlineplus/tutorials/hysterectomy/htm/index.htm - an interactive tutorial about Hysterectomy from the Patient Education Institute.