Abstract
A comparative study was done on haemodynamic changes between 60 healthy pregnant women each of whom carried a single foetus and 20 non pregnant healthy women by using echocardiography. Heart rate, blood pressure, cardiac output, ejection fraction, fractional shortening, aortic flow, and pulmonary flow were taken as parameters and compared. The increase of heart rate in pregnant women is highly significant when compared to that of non-pregnant women. The systolic blood pressure and diastolic blood pressure decreased in the 1 st &2 nd trimesters of pregnancy and the systolic blood pressure returned to non pregnant levels in the 3 rd trimester. The cardiac output, ejection fraction, fractional shortening, aortic flow and pulmonary flows were increased in the 1 st , 2 nd and 3 rd trimesters of pregnancy when compared to non pregnant women.
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