Breastfeeding provides optimal nutrients for infants and is one of the most important public health issues. Globally, breastfeeding initiation rates are high with around 95% of all infants receiving some breastmilk. Over the past two decades, the mode of breastfeeding has been evolving and an increasing number of mothers are now choosing to feed their infant by expressed breast milk rather than directly at the breast. However, only few recent studies have described the rates...