Small bulge in posterior 12 weeks post op

I thought I had been healing well, began to resume sex with hubby around 9 weeks, but taking things very slow.  Perineum still sore and tender, but tonight after we spent time together, I noticed a small round flap of skin toward the back of the vagina which moves around and almost feels like a hemorrhoid would except of course it is in the vagina.  I had posterior and anterior repair and haven't had too many issues, but this flap of skin is concerning me, wondering if it is a small prolapse, swollen tissue or just a part of the repair?  Thanks for any help you can give.  I don't see the dr until May.  Thanks ladies!!.