Eh possible je lah, especially kalau jahitannya deep or tension tinggi, a few of my mum friends kena this after their stitches came out, ada yang benang tertanam dalam tissue tu and biasanya akan keluar sendiri or become infected, so better you check dengan doctor cepat cepat. Dia akan tengok, maybe kena remove kalau memang stuck or jadi infection. Jangan tunggu lama lama ye, sebab infection boleh jadi problem.