disease has basis in dysfunction of GALT classic galactosemia Classic galactosemia is a life-threatening metabolic disease with onset in the neonatal period. Infants usually develop feeding difficulties, lethargy, and severe liver disease. DOID:0111459 GALT deficiency Galt deficiency ICD10:E74.2 MONDO:0009258 OMIM:230400 Orphanet:79239 SCTID:10899004 classical galactosemia, homozygous duarte-type galactose-1-phosphate uridyltransferase deficiency galactose-1-phosphate uridylyltransferase deficiency galactosemia galactosemia type 1 galactosemia, Duarte variant galactosemia, classic galactosemia female infertility due to an anomaly of ovarian function of genetic origin inherited primary ovarian failure