"The exceptional pressures on the emergency unit at UHW, and those across Wales, have been well documented and it would not be right to proceed with the work when there is such a high demand, " he added.
During last week's hearing, Jane Herve, UHW head of midwifery, said the hospital has since made four changes, including more training and a shake-up in monitoring procedures as well as introducing foetal heart rate scans to every new woman taken to the midwifery unit.