how much does a baby need the first week
On average, babies weigh 6 â 9 pounds at birth and will need between 14 to 22 ounces of milk per day. 7 days old baby: The stomach is the size of an apricot and can hold 1.5 to 2 ounces of milk. At one week old, your baby has started to gain back the lost weight, and needs 14 to 22 ounces of milk per day. 30 days old baby: The stomach is the size of a large egg and can already hold 2.5 to 5 ounces of milk.