The side effects of antibiotics can last for a lifetime even in babies who have breast milk for a long duration. (electricbreastpumpwomen.com)
I always recommend having some breast milk stored anyway since you just never know when you will need an emergency stash of breastmilk! (kaboutjie.com)
Like you, I was one of the few people that didn't have my breast milk came in, and I struggled so hard with the decision to formula feed. (stirrup-queens.com)