<prompt> The features of neonatal hypehyroidism include all except -Triangular facies with craniosynostosisCongestive cardiac failureAdvanced osseous maturationGoiter is rare  <response>: Ans. is d i.e., Goiter is rare Goiter is almost always present in congenitally hypehyroid infants Fetal and neonatal hypehyroidism o Fetal and neonatal hypehyroidism are usually produced by transplacental passage of thyroid - stimulating immunoglobulins. o Most commonly, the thyroid stimulating immunoglobulins are a component of active maternal graves disease. 