49,XXYYY syndrome is a intersex CTM/DMAB variation. It's featured with facial dysmorphism, mild microcephaly, limitation of supination at the elbows, delayed bone age and moderate intellectual disability.[1] Tissues sampled for chromosome studies of external ambiguous genitalia and abdominal gonads, consisting of a left ovotestis and a right primitive testis, contained cells 46,XX, 47,XXY and 49,XXYYY sex chromosomes.[2]