We all know that breast is best, but it's not always going to work for everyone. There are plenty of reasons why a mum can't or doesn't want to breastfeed, and many mums who make this choice are left feeling ashamed and alone. Terri Smith is the Chief Executive of Peri-natal Anxiety and Depression Australia (PANDA) She explains how the message that "breast is best" can lead to negative mental health outcomes for some women, and what we can do about it.