Sharing breastmilk in Australia: economies of defiance?

'Wet-nursing' has been transformed by modern technologies into milk banks in hospitals, exchanges of breastmilk in the community via social media and trade in human milk products, raising questions about safety, ethics and competition for supply. This research investigates how collective acts to share milk by mothers to address individual feeding problems are shaped by the regulatory regime for infant feeding in Australia, including biological, legal, social and market rules.