Hi, my baby girl is 3month's old. after 20days of her birth I was found v shape light white patch , which is starts from chest to belly button and again from belly button to left side of chest. in second month I was observed light patch on her right side of stomach and right thigh .so is it common ? could you please suggest me what type of this patches? how to treat it? and how should I take care of this at home? please help me out. I am very confused.