Final Answer:
The typical size of infants born to mothers with Type I DM (Type 1 Diabetes Mellitus) is often smaller than those born to mothers with GDM (Gestational Diabetes Mellitus).
Step-by-step explanation:
Infants born to mothers with Type I DM tend to have a lower birth weight compared to those born to mothers with GDM. This size difference is primarily attributed to the differences in the nature and timing of diabetes onset. Type I DM is usually diagnosed before pregnancy, and the mother may have been managing the condition for an extended period. The chronic exposure to high blood glucose levels can impact fetal growth, leading to smaller infants.
On the other hand, GDM develops during pregnancy and may not have the same prolonged exposure to elevated glucose levels as Type I DM. While GDM can still affect fetal growth, the impact may not be as pronounced as in Type I DM. The size difference in infants born to these two groups is a result of the distinct maternal glycemic control scenarios during the critical stages of fetal development.
It is essential to note that individual variations exist, and other factors, such as the effectiveness of diabetes management and maternal health, can influence fetal outcomes. Monitoring and managing blood glucose levels during pregnancy are crucial for both Type I DM and GDM to mitigate potential risks and optimize the health of the mother and the baby.