Bleedin per vagina can have various causes for your reference let me list some of the most common ones for you, they are:
-Polyps in the uterus
or other non-cancerous tumors
And other less common causes.
Please visit your doctor for the sexual disease screening along with a transvaginal ultrasound
scan and a pap smear
for a more elaborate evaluation of your condition.
Wishing you the best.