Talk to Autism Consultant on Speech Not Clear

My child is 12 years old. Oski speech clear ni ha. Koi stranger osko understand ni kr sakta. Sab ki bat samjta ha sunta b ha but bolta aisay ha jaisa drunk person ki speech hoti ha jo kisi ko samaj ni ati. Mri reports sb clear hain. Right side of body thori week ha but sb thek ha but speech ka problem ha. Kia disease ha jis ki waja sa speech issue ha. Aur ya kaisay thek hosakta k baki bachon ki tarah normal bolay?