more lanugo
Introduction
Introduction Newborns generally have varying degrees of fetal hair. Babies with many lanugo are usually born with dense black hair on the back and forehead and ears. Don't worry, the baby's hair will slowly degenerate.
Cause
Cause
Mainly because there is no medulla in the middle, and the color is very light, almost no pigment, the baby hair will be converted into velve hair (Vellus hair) at the birth, the pilose is also soft, the middle has no medullary hair, the color is different from the baby hair It is a little deeper than the baby's hair. The length of the pilose is usually less than 2 cm. For example, the fine hair on the face or arm of a woman is pilose. Generally, the baby's hair on the head will be seven to eight months old in the womb. Shedding once, the second time is not long after the birth, quietly all fall off, so in addition to special diseases or premature infants, usually only on a few newborns, face (such as the forehead) to see the baby hair, and on the head After birth, the hair will soon be converted from a baby's hair into a slightly colored pilose.
Examine
an examination
Related inspection
Urine routine blood test
Newborns generally have different levels of fetal hair. After birth, the baby's back and forehead and ears are covered with dense black hair and other parts to determine whether the newborn's baby hair is large. The child's body hair will generally be self-returning. Pay attention to check blood, urine, abnormal liver and kidney function, see if there is abnormal sleep, urination, physiological jaundice, abnormal pituitary development. problem.
Diagnosis
Differential diagnosis
Fetal alcohol effects: Fetal alcohol affects the mother's alcohol during pregnancy, which causes the fetus to grow and develop in the uterus and after birth. The main clinical features of fetal alcohol syndrome are: low intelligence, special face and various deformities.
After birth, the baby's back and forehead and ears are covered with dense black hair and other parts to determine whether the baby's baby hair is large.
The iatrogenic hirsutism should be distinguished from the iatrogenic hirsutism of the latter. The distribution of all or part of the male secondary sexual hair is usually irreversible and does not recover after stopping the drug.
