Diaper – eq plus medium

Hello, quick question. Gusto ko sana palitan ng sweetbaby plus diaper ni baby kaso I read somewhere na maliit sizing. She's almost 9 months na. Magssale kasi sa 27 yung sweetbaby, 276pcs tapos 1100+ lang. Iniisip ko baka saglit lang or di niya magamit pag maliit size. Should I go for large or xl nalang?? Thank youuu