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(Circulation. 1956;13:481.)
© 1956 American Heart Association, Inc.

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Effect of Pregnancy on the Course of Heart Disease

Re-evaluation of 106 Cardiac Patients Three to Five Years after Pregnancy

MARY M. MILLER M.D.¹ JAMES METCALFE M.D.¹

¹ From the Departments of Medicine and Obstetrics, Harvard Medical School, and the Laboratory of Dr. C. Sidney Burwell at the Boston Lying-in Hospital, Boston, Mass.

One hundred and six patients have been restudied three and one-half to 5 years (average 4.1 years) after they were observed with pregnancy and heart disease at the Boston Lying-in Hospital.

This re-evaluation indicated that the altered circulatory dynamics of pregnancy may temporarily decrease functional capacity. However, no permanent change in degree of heart disease could be directly attributed to the pregnancy for which these patients were followed in 1950 and 1951.