Ob-Gyn questions? Ask a gynecologist online.
In any way you are having with post menopausal bleeding and this should be taken seriously.
The most common cause is atrophic vaginitis and atrophic endometritis.These two are benign cause and treatable.
But malignant cause like endometrial cancer has to be excluded.
This can be done by DC biopsy and it is OPD procedure.
Please attend a gynecologist.