Legally, there is nothing wrong with getting married while you are in the U.S. as a visitor (on a B-2 visa) , if you return home at the end of your permitted stay. But that doesn't mean this is a risk-free strategy.
Vaginal Prolapse (aka vault prolapse). If the uterus has been removed, apical prolapse may still occur if the supports at the top of the vagina tear or become weak. In this case the top of the vagina (and often small bowel as well, ie enterocele), fall toward the introitus.
1 This involves a weakening of a group of ligaments called the uterosacral ligaments at the top of the vagina. This causes the uterus to fall, which commonly causes both the front and back walls of the vagina to weaken, as well.  First-degree prolapse: The uterus droops into the upper portion of the vagina.