It would be almost imDervina Firming Cream possible for a pregnant woman to exercise so vigorously for the baby's brain to be deprived of oxygen. Excessively high body temperature is a theoretical concern. Eighty percent of the energy used to power muscles is lost as heat, so the harder you exercise, the higher your temperature rises. While infections can raise body temperature high enough to damage the baby's brain, I know of no reports of exercise doing this.http://www.healthsupreviews.com/dervina-firming-cream-scam/