It’s either a mongolian spot mommy which will fade away eventually or a birthmark. If wala naman nangyari kay baby, nasuntok or nauntog or anything, it’s either of the 2
kdlasan po mga baby may gnyan po lalo sa may taas ng puwit
Check nyo po if pasa or baka birthmark.
Sure ka po ba na pasa?
Baka mongolian spot.
Gie Cruz