pwede naman pagsamahin basta same temp at ilalagay niyo pong time yung pinaka una niyo na pump
https://www.verywellfamily.com/can-you-mix-fresh-and-previously-collected-breast-milk-431750
4hrs lang po dapat ang breatmilk pag wala sa ref after that expired na
Basahin mo yung nabigay ko sa link, mi