mpumalangabased medical practitioner dr midah maluleka says: "there is an extra number 21 chromosome (trisomy 21) which causes delays in physical and intellectual development.

mutirhi wa swa vutshungu ri wa le mpumalanga dkd midah maluleka u ri, "ku na nhlayo yo engetelela ya 21 wa tikhiromozomu ( trisomy 21) leyi yi vangaka ku hlwela ka ku kula ka miri na ku kula ka miehleketo.
