<prompt> Ventricular function improves with pregnancy in which of the following condition?Mitral stenosisMitral insufficiencyAoic stenosisPulmonary stenosis  <response>: Major cardiac valve disordersType Pregnancy outcomeMitral stenosisHea failure from fluid overload, tachycardia Mitral insufficiencyVentricular function improves with afterload decreaseAoic stenosisModerate stenosis is tolerated; Severe is life-threatening with decreased preload eg: obstetrical hemorrhage or regional analgesiaAoic insufficiencyVentricular function improves with afterload decreasePulmonary stenosisMild stenosis well tolerated; Severe stenosis is associated with right hea failure and atrial arrhythmiasRef: Williams Obstetrics; 25th edition 