The majority of UVCs migrate over time, usually inwards initially and then outwards to a low position.

The availability of donor human milk in our unit is not associated with a decrease in the number of very preterm infants receiving mother's own breast milk at time of discharge home. Other factors that positively impact the successful establishment of breastfeeding in preterm babies were older maternal age, the absence of any congenital abnormality and a shorter duration of hospital stay.