Manut dokter aditya di healt.detik.com maosang: batis bayi pengkang ané wentukné cara huruf o tusing ja ulian nganggo diapers, nanging ulian kelainan tulang atawa mula aba-abaan uling mara lekad (bawaan sejak lahir).
According to the doctor at health.detik.com, when a baby's leg looks like the letter o, it is not due to using a diaper, but because of a bone disorder or something congenital in nature.