My baby is 5month 10days ols he s active,he plays well, recognise voices,he s totally active,but he s very thin doctr said his weight is good,his birth weight is 3.6kg on dec 11 2020,last i took him fr checkup on 22april 2021 his weight was 6.1kg,now i introduced him fruit puree nd hoke made cerlac frm last 4days,along with that he s on bm nd fm,i m worried he s thin nd while we took him in hands he bends lot he cant sit straight,giving him vit d suppliments nd calcium syrup also,can anyone tel any prblm r its fyn???