my baby premature baby is birth weight 1.980 kg baby is 3 month old baby is weight 3.200 kg is normal doctor it's any problem it's not Tommy time

A. hello baby should atleast gain a minimum of six hundred grams to 800 grams per month means the baby is getting sufficient breast milk and taking well so would be better to check if the baby is getting sufficient breast milk by expressing the same using a breastpump like Babyhug