New research from the CDC found pregnant women are three times more likely to die than non-pregnant women of the same reproductive age. The Delta variant also lead to a big increase in the risk of stillbirths among pregnant women with COVID – from 47% to 304%. What do those numbers mean? Rick asked Dr. Michael Aziz, MD, a maternal fetal OB/GYN at Allegheny Health Network on KDKA. They also discussed the best time for women who are pregnant to be vaccinated.