Risks to a pregnant person with gestational diabetes include: preeclampsia, having to undergo a cesarean section, risk of injury during birth, and receiving a diabetes diagnosis in the future. Risks to the fetus during gestational diabetes include: growing to a larger size than expected, premature birth, having low blood glucose levels at birth, requiring treatment in the hospital, jaundice, breathing problems, developing obesity in the future, congenital anomalies, and stillbirth.