<prompt> Pregnancy is contraindicated inHea transplantationMechanical valvesPulmonary aerial hypeensionMarfan syndrome without aoic dilatation  <response>: WHO 4 Category: Very high risk of maternal moality or severe morbidity; Pregnancy contraindicated and termination discussedPulmonary aerial hypeensionSevere systemic ventricular dysfunction Previous peripaum cardiomyopathy with any residual impairment of left ventricular functionSevere left hea obstructionMarfan syndrome with aoa dilated 40mmRef: Williams Obstetrics; 25th edition 