Which of these conditions is NOT an absolute contraindication to exercise in pregnancy?

Mild congenital heart disease is considered not to be an absolute contraindication to exercise during pregnancy because many women with this condition can safely engage in physical activity, depending on the specific nature and severity of their heart defect. It is important for these women to be evaluated on an individual basis by their healthcare provider, but there are many instances in which mild congenital heart conditions do not pose significant risks during pregnancy.

In contrast, conditions such as uncontrolled hypertension, severe preeclampsia, and vasa previa present immediate and serious risks for both the mother and the fetus, thus categorizing them as absolute contraindications to exercise. These conditions can lead to complications that could compromise maternal and fetal health, highlighting the importance of careful monitoring and management during pregnancy.