Increase in cardiac output seen in pregnancy is: March 2010: (A) 10%, (B) 20%, (C) 30%, (D) 40%
Answer is D. Ans. D: 40% The cardiac output stas to increase from 5t1 week of pregnancy and reaches its peak 40-50% at about 30-34 weeks. Cardiac output increase fuher during labour (+50%) and immediately following delivery (+70%)