Newborns with white stuff underneath may be caused by maternal estrogen disruption, this is a normal physiological phenomenon, generally do not need too much treatment, you can use water to wash off. If a newborn baby is born with white stuff underneath, it may be related to the interruption of maternal hormones, you can wash with warm water and use a medical swab to wipe clean, this is a special physiological phenomenon that does not require special treatment, some newborn babies in the birth of a week or so may also be accompanied by vaginal bleeding. Usually pay attention to the care, must pay attention to the cleaning time to move gently, avoid nail scratching the newborn’s skin, leading to the occurrence of infection, later will slowly disappear.