Mixfeed baby hindi maka poop

Not Pregnant First Time Mom Mix Feed but mostly breast feed 2months and 7 days baby Hi momshies! Normal lng po buh sa baby na mix feed mostly breastfeed na hindi mag poops for 3days? Lagi lng siya ihi at pawisin. Nan Infinipro HW po yung gatas niya. Thank you sa mga answers. #1stimemom #advicepls