You have seen birthmarks or you could be having them. What actually causes birthmarks including strawberry birthmarks, Mongolian and baby birthmarks? We have insight on all that including port wine birthmark causes.
nevus flammeus or port wine stain - capillary malformation. can be associated with glaucoma if on the face. If present at birth they are permanent. Start flat and become dark red/purple. Think Mikhail Gorbachev.
My Mongolian Spot
An ephemeral birthmark is a rare gift, connecting me to generations spanning the centuries.