Mommys who formula feed (newborn)

Luppitha
So my baby is 2 weeks and 4 days he dont get full wt 2 oz. Formula, he feels full wt 3/4 oz. But his dr. told me not to give hime more than 2 until a month old but i see that he dont get full!! Any other nb (newborn) that wants more than 2 oz?