Some women, especially with diabetes, are recommended to express milk while still pregnant and to save it for their newborn. But it’s not for everyone. from www.shutterstock.com June 2, 2017 Health Check: is it safe to express milk before giving birth? Lisa Amir, La Trobe University; Anita Moorhead, La Trobe University; Della Forster, La Trobe University, and Susan Walker, The University of Melbourne Hospitals sometimes recommend women express milk towards the end of their pregnancies. But it’s not suitable for all.