so i go back to work one week from tomorrow - 4 hour days for 2 weeks then back to my 8.5 hour days. I am struggling to decide how to leave breastmilk for my husband and MIL who will be watching R. I work until 7pm two days/week and in the afternoons/evenings she tends to cluster feed a lot. we only have 5 bottles and i don't want them to have to listen to her scream while they heat up bottle after bottle, but i don't want a lot of milk to be wasted if i make the bottles too big. i was thinking a 3oz bottle for every 2 hours. there will be more in the freezer they could thaw if needed but i will talk to them about overfeeding. here are my questions:
1. once heated how long is a bottle good for? if she only eats half can the other half be given an hour later?
2. does anyone have experience with returning to work and cluster feeding? how likely is it that this pattern will change when i go back to work anyway?