What are the causes of my mother-in-law's vaginal bleeding?

I wanted to know the causes of a vaginal bleeding that is tormenting my mother-in-law, she suffered a stroke and lately have this bleeding?
Expert answer:

Vaginal bleeding in older people suggests the existence of an injury to the vagina or uterus (sore) may have other causes but this is most likely, it needs to be examined by a gynecologist.