white spot on her Chest😩

Can i ask? My Baby has a White spot on her Chest Part, and its almost 1 month and I dont know what it cause, Mayroon ba ditong nag ka ganyan ang baby Nyo? And malaman kung anony White spot to? Please answer my Question😩 Ps: sorry if hindi ako marunong mag tagalog kasi bisaya ako😀 #firstbaby