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Cardiomyopathies in Pregnancy: Etiologies and Management Strategies.

The cardiomyopathies are a diverse group of disorders characterized by structural abnormalities of heart muscle, many of which have a genetic component. They are associated with substantial morbidity and mortality in pregnancy. We review the distinct forms of cardiomyopathy (dilated, hypertrophic, and functional) which can be seen during pregnancy, discuss complications associated with each distinct group such as heart failure, arrhythmias, and transmission to offspring, and address management strategies for stable and unstable patients.