My baby’s birth weight is 2.3kgs and he came to 3.1 kg now is it Normal and his height is 53cms he’s look very thin.. in first month he use to take feed for 15-20mins now he is only taking 10mins and rarely 15-20 mins breast feed how to increase his weight 10mins feed is enough for his weight gain also he takes very less feed if he doesn’t go potty what should be done to increase his weight and take proper feed we burp him in every feed