my baby is 3.5 month old,his birth weight is 2.3 kg,till 3 month his weight increase around 1kg per month,on 8 Oct he turned 3 month old and his weight is 4.9 kg bt on 25 Oct his weight is only 5.2kg, he take bm for only 5 to 10 min, sleeps well,all other activities also good,pees more than 15 time my only concern is whether he is getting enough milk or not and how increase his weight as he is only on bm