sir, my son is a preterm baby.. he is born in 35 wks.. and birth weight is 2.170..now he is 47 days old and weighs 3 kg..is that weight gain pattern is normal?

A. dear Mum, a weight gain of 800 grams in 47 days is normal, do not worry. also if child is active, alert, passing urine more than 7 times in 24 hours, achieving all growth milestones then it indicates good health.