HI, thanks for using healthcare magic
Vaginal bleeding after intercourse
is most commonly related to trauma that occurred during intercourse.
The other causes are : (1)polyps in the cervix
(2) infection- any sexually or non sexually transmitted infection would cause the cervix and vagina to be inflamed and this would cause bleeding
(3) dryness of the vaginal area - if there is inadequate lubrication bleeding would occur
(4)cervical changes such as dysplasia
or cancer. If you have been screened (papsmear) within the past year for cervical changes, then this is unlikely.
As mentioned previously trauma is the most common cause.If you had recent papsmear you can consider monitoring the bleeding to see if it recurs.
If you have not had a recent pap smear
you may want to consider having one done.
I hope this helps