<prompt> A pregnant woman with Mitral stenosis is likely to undergo failure in the antenatal period. Best results to prevent Failure with severe stenosis is the followingT. Furosemide through out pregnancyBalloon mitral valvotomy in second trimesterDigoxin for all hea patientsAdmit all at 30 weeks  <response>: For Best results to prevent Failure with severe Mitral stenosis, Balloon mitral valvotomy is preferred treatment. Balloon mitral valvotomy is usually done in Second trimester,the ideal time being 20 weeks 