Hmmm, I don't know what had happened... I have posted an answer and it is gone.
Anyway, will repeat - I am speech therapist. I voiced out, because I do see a lots of kids that were showing signs before, but parents brought them to us much, much later.
Here are articles that you may find useful (it is American Speech, Language and Hearing Association website):
http://www.asha.org/public/speech/development/12.htm
http://www.asha.org/public/speech/development/sldisorder.htm
http://www.asha.org/public/speech/disorders/LateBlooming.htm
Anyway, will repeat - I am speech therapist. I voiced out, because I do see a lots of kids that were showing signs before, but parents brought them to us much, much later.
Here are articles that you may find useful (it is American Speech, Language and Hearing Association website):
http://www.asha.org/public/speech/development/12.htm
http://www.asha.org/public/speech/development/sldisorder.htm
http://www.asha.org/public/speech/disorders/LateBlooming.htm
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