@Sharon my baby is going to be 12 weeks this Saturday and it’s from very long
I see. In my baby’s case the discoloration came from the early breastfeeding days. And I now recall that it was the inner parts of the lips that came in contact with the nipple that had turned dark. So it might not be the same as your situation.
@Sharon yes maybe
Don’t worry, it evens out with time. For my baby it took 8 weeks