Neonatal erythema, pigment spot is how to return a responsibility

Neonatal erythema is a normal physiological phenomenon, newborn skin cuticle has not developed well, contact with the outside world, skin stimulation, will be red congestion, generally 1-2 days after birth will subside. Newborn buttocks or sacral stomach tail, often cyan or blue-gray spots, known as pigment spots, also known as Mongolian spots, are common birthmarks, generally in 5-7 years old will subside.