There's also a procedure called endometrial ablation that permanently destroys the uterine lining minimizing or eliminating periods entirely.
"Endometrial ablation is the removal or destruction of the endometrium (lining of the uterus). It does not require hospitalization, and most women return to normal activities in a day or two. Ablation is an alternative to hysterectomy for many women with heavy uterine bleeding who are wish to avoid major surgery.
After a successful endometrial ablation, most women will have little or no menstrual bleeding. Patient selection and physician experience is essential to a good outcome."
http://www.gynalternatives.com/ablation.htm
"There is no hospital stay, less discomfort and a quicker recovery. THESE ARE REASONS ENOUGH TO CONSIDER YOUR OPTIONS IF YOU ARE A CANDIDATE FOR HYSTERECTOMY. According to recent studies, most women feel that Endometrial Ablation relieves the problem with their periods. Up to 90% of women who have this procedure are satisfied with the results.
After the procedure, most women report no periods or a marked decrease in their menstrual cycle."
http://www.endometrialablation.com/
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Still, if we're talking about a therapy just for the benefit of the care providers it reminds me of those who argue caring for elderly intact men is complicated, difficult, or disgusting because they're uncomfortable providing basic gential hygiene (pericare).
Ashley may have a catheter, in which case she'd just need someone to change her pad throughout the day when she's menstruating. If she wears adult briefs, she's being changed frequently throughout the day anyway. Disposable 'washcloths' or babywipes make pericare quick and easy, just wipe and toss.
It may not be easy, or pleasant; it may be initially uncomfortable for caregivers, but it can-and is-being done for dependent, disabled adults all over the world.
Jen