I've just had tumescent liposuction under general anesthesia 4 days ago. Do I suppose to have a stitch on my pubic vagina area?

I've recently had tumescent liposuction under general anesthesia 4 days ago. I've had my upper, lower abdomen, sides and upper back bra area done. I still have my garment on I have to wait 2 more full days to take it off even though I feel it's cutting my circulation, but while showering with my garment on I felt a sting from the soap and pulled up my open area and seen a stitch on my vagina pubic area. I want to know does that suppose to be there and why the incision is there?