Which body system of a pregnant woman undergoes the most dramatic physiological changes during pregnancy?

Question

Quizplus · Accepted Answer

The cardiovascular system undergoes the most dramatic physiological changes during pregnancy. The circulatory system has to double its output to provide sufficient nutrients and oxygen for both the mother and growing fetus. The heart also enlarges and beats faster, and blood volume increases by up to 50% by the end of pregnancy. These changes can lead to pregnancy-related complications such as hypertension and gestational diabetes.

Which Body System of a Pregnant Woman Undergoes the Most