Infantile autism with speech loss before the age of thirty months.
D001321:Autistic Disorder / Q000523:psychology*; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011247:Pregnancy; D011248:Pregnancy Complications; D012043:Regression, Psychology; D012306:Risk; D012737:Sex Factors; D013060:Speech