no momsh wag mo isasama un, put it in another storage bag na lng then put what time sya so the first na na kuha mo un bibigay mo una kay baby, because the breastmilk have duration, so parang first in first out, kng ung 2 am na una un unang papainum mo then next nanaubos na un ni baby ung 4 am na naman because sa d ka maniwala o hindi, breastmilk has a time duration and nutrients produce at that time