While making this post for educational purposes… my heart goes out to families who have suffered a loss of their baby (ies)
Fig. 4. A schematic representation of maternal-fetal nutrient and hormone exchange across the placenta in pregnancy. Glucose, amino acids, and ketones move freely into the fetal circulation, whereas insulin, glucagon, and free fatty acids (FFA) do not. Maternal hyperglycemia and ketosis are thus reflected in the fetal circulation. (Felig P: Body fuel metabolism and diabetes mellitus in pregnancy. Med Clin North Am 61(1):43, 1977)
