Pa help po. Advice naman for not talking baby.

My 21months old still not talking. Worried na kami ng tatay nya kasi kahit tawagin namin name nya ayaw na tumingin samin o di nakikinig. Ano po Kaya pwed naming gawin? Any advices po. Please respect my post. 1st time parents po kami.😭😭😭#pleasehelp #1stimemom #advicepls #firstbaby