A nationwide study of pregnant women with heart disease has been launched by MU Health Care. Dr. Karen Florio shares why the HOPE study is needed. Missouri ranks as one of the worst states in the country in maternal mortality.

<p>A nationwide study of pregnant women with heart disease has been launched by MU Health Care. Dr. Karen Florio shares why the HOPE study is needed. Missouri ranks as one of the worst states in the country in maternal mortality.</p>

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