hi, my baby girl talking amma nanna,anna ,thata papa, banana bye that words only she is 21 months old she is not under stading she follows instructions but not understand we r talking to her but she is not reciprocate what to do and she can't tell body parts also

A. I think this is a little delay in the growth because kids can follow instructions and can follow what you are saying quickly but if your child is facing in the problem of understanding by the time of one year and nine months then in that case please consult your doctor once