A pregnant woman in 2nd trimester shows slightly lower Blood
Pressure than pre-pregnancy. The most likely cause is?
A. Increased blood viscosity
B. Decreased progesterone
C. Systemic vasodilation
D. Decreased cardiac output
The Answer is C:
- Systemic vasodilation
Reason:
- Progesterone hormone causes vasodilation which leads to decrease in Total Peripheral Resistance which leads to slightly lower Blood Pressure