My son is 2.3 yrs till he is speaking very well He is understs, listens well and some poem s to be speal done. but after 2.5 to presently he is speaking very less. He is understands, listens well and speak very less, he is continue to second problems for loose motion . after medicine some days still but again repeat problems for eg : only mumma, papa, etc. but has not so much fluency. please suggest us