Table 4

 Conditions in which pregnancy risk is WHO 4

LVEF, left ventricular ejection fraction; NYHA, New York Heart Association.
• Pulmonary arterial hypertension of any cause
• Severe systemic ventricular dysfunction
‐ NYHA III–IV or LVEF <30%
• Previous peripartum cardiomyopathy with any residual impairment of left ventricular function
• Severe left heart obstruction
• Marfan syndrome with aorta dilated >40 mm