Post-coital bleeding can occur for a number of reasons, and is nothing to take lightly. Here's a look at the top 10 causes of vaginal bleeding after sex: Cervical Dysplasia, Chlamydia, Gonorrhea, Vaginitis, Cervical Polyps, Trichomoniasis, Vaginal Yeast Infection, Endometrisi, Uterine Polyps, Fibroid tumors.
You should go back to your GYN and have a pap to start along with a visual as well. It may be that your cervix is not completely healed as well, but without an exam would be hard to say, but do make an appt just to rule out any of the above.
Hope this helps, If you need anything else please feel free to ask. If you found this helpful don’t forget to click the *accept* button!