When does the baby door close?

Baby cranium is also called halogen door, divided into front fontanelle and rear fontanelle, rear fontanelle generally in four to six months when gradually closed, front fontanelle is about one and a half years old completely closed, fontanelle closure sooner or later reflects the child's growth and development of the general situation, fontanelle premature closure, sometimes brain dysplasia or small head deformity. Fontanelle too late closure is often caused by the lack of bone development, mostly seen in some rickets, in addition to some hydrocephalus, will also show fontanelle closure too late. Therefore, when fontanelle closure too late, to go to the hospital to see a doctor, what causes the child fontanelle closure too late, if rickets, then to give active treatment, if hydrocephalus, then also to actively after examination, give treatment.