Oo, pwede naman ilagay sa warm water pero importante na hindi masyadong mainit para hindi mawawala ang nutrients ng milk, alam mo yung banyo method na ginagamit para sa formula? Ganyan din, just make sure the water is lukewarm lang, not hot ha! A few of us do it all the time, pero mas safe kung hindi mo iiwan nang matagal sa warm water kasi pwedeng lumaki ang bacteria, kaya i-use agad after warming or store it back in the fridge. If may specific concerns ka about how to handle your pumped milk properly or kung bakit ganyan ang feeding schedule mo, mas okay mag-check with your pedia or lactation consultant para personalized advice based sa setup ninyo.