feeding question...

Dee • 31, SAHM🤷🏻, Bibliophile📖, Foodie🍕🍔🍟, Sitcomholic🤣, Potterhead☇
Just curious... how much milk should a 7-9 week old have per day? My baby is currently 8 weeks & her appetite & sleep schedule is a mess... sometimes she eats up to 18oz per day & sometimes she cluster feeds up to 25oz... just wanted to know if it's normal??? Thank you!