When to freeze breastmilk ?

Hi all, I would like to know the sequence on when should I freeze my breastmilk. Currently, I have excess of 400ml to 500ml of bm per day based on my 2 months LO intake. I will put in fridge fresh for 2 to 4 days. Sometimes it will start to have abit of sour smell after 2 days then I will have to throw it away. Maybe my fridge temp not right previously as I just moved the bm to chiller compartment 2 days ago. So my question is should I freeze my bm every pump or freeze partial portion and the rest put in chiller for next feeding? Also, when should I start using my frozen bm? Is it after I stop pumping bm ? I have been storing my pumped bm in a storage bag and pour for 2 to 3 feedings. Not sure is this the right method or should I store by a fixed quantity (eg 100ml). My LO refuse to latch since day 1 so I can only pump and store for feeding. Appreciate your kind advice. Thank you

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Super Mum

Store your milk in containers, each containing the volume of milk required for 1 feed. For those you will use within 24hrs, keep in the fridge. For those that will not be used, store in freezer immediately after pumping (can use breastmilk storage bags). Each time you want to feed, just warm up one portion of milk, so the rest doesn’t go bad. I usually label the date so I know when it’ll expire

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3y ago

Thank you for your advice. May I know when should I start using the frozen milk portion? I have been using storage bags but not based on per feeding. Example I pump 200ml , I will storage in 210ml storage bag. Open and pour for 2 feedings. I understand that I cant reheat frozen milk so if I start freezing, I will have to freeze in a fixed quantity. Am I right?