A 25 yr pregnant woman with mitral valve area 1.4 sq cm presents at 6weeks of pregnancy to the OPD. She is on antiarrhythmic drugs. Presently she is in NYHA2. She was diagnosed with RHD with MS at 16yr age. What is the risk of maternal moality?

Risk category Cardiac disease 1) Low risk ( maternal moality < 1%) Septal defects Mitral stenosis NYHA class 1 & II Patent ductus aeriosus Pulmonary tricuspid lesions 2) Moderate risk ( maternal moality 5 -15%) Mitral stenosis, NYHA class III & class IV Marfan syndrome With normal aoa Uncomplicated coarctation Of aoa Uncorrected TOF Prosthetic valves 3) High risk ( maternal moality (25-50%) Eisenmenger syndrome Pulmonary hypeension Marfan syndrome with abnormal aoa Dilated cardiomyopathy