They were also more likely to have lower birth weight. Studies of laboratory animals suggest that caffeine intake during pregnancy causes abnormalities in brain development, and changes in the body's method of handling cholesterol and zinc.
Caffeine is known to cross the placental barrier.
They conducted a study to see if their casual observation was accurate. The nights that the diabetics consumed pizza they had high blood sugar levels. They concluded that pizza consumption produces blood sugar control problems. Lifestyle seems to play a major role in minimizing symptoms. A diet high in carbohydrates lowered the risk, while a diet high in fats increased it.