Maximum cardiac output is seen during which phase of pregnancy?
Ist trimester
IInd trimester
Labour
Immediate postpaum period
Maximum cardiac output during pregnancy is seen in the immediate postpaum period. During this period blood pressure increases by 70% over the prelabour values. Cardiac output gradually increases after 5th week of pregnancy, reaches its peak 40-50% at about 30-34 weeks. Thereafter the cardiac output remains the same till term. During labour cardiac output increases to 50%. Ref: Textbook of Obstetrics By D. C Dutta, 6th Edition, Page 51-56.