Breast milk expiration

Marguerite • I`m 31 years old married to my wonderful husband Thomas. I have three sweet pups that are my everything and we just brought into the world our little rainbow baby July 7th 2018. After two loses he is our miracle.

How many is breastmilk good stored in the fridge? If I have a bottle from Thursday and today is Tuesday is that bad to give to the baby?