Its a stitch hun dont worry Bout it onest its nothing I had a stitch migrate out 3 times in 8 weeks, it tends to be where they notted the incision it takes longer to disolve, I pulled mine gentaly and it fell out each time and healed just fine, just left a redish small hole for a few days, most girls.just leavd it though and it comes out on its own, I wouldnt worry, but for peace of mind fone your nurse but please dont worry its nothing serious honestly hun xx