What are the main clinical manifestations of neonatal hyperthyroidism?

Neonatal hyperthyroidism may be manifested as large food intake, generally without clinical manifestations, through the detection of plantar blood to determine whether the newborn has hyperthyroidism, if the maternal hyperthyroidism patients will lead to transient hyperthyroidism in the newborn, mostly in the birth of 1~3 months self-remission.