<prompt> Most common cardiac defect in turner syndrome:Coarctation of aoaVSDASDTOF  <response>: -- Overall MC congenital hea disease in Turner syndrome is Bicuspid aoic valve -- 2nd MC congenital hea disease in Turner syndrome is Coarctation of aoa TURNER SYNDROME: - Basic defect is 45 X0 - Always seen in Females IMPOANT FEATURES MNEMONIC - SeeA Baby CLOWN - Sho stature, Sensorineural hearing loss, Sho 4th metacarpal - Amenorrhea Primary - Barr body absent - Cardiac anomalies, Cystic hygroma - Lymphedema of hand and feet, Low thyroid - Ovaries Underdeveloped Streak Ovaries -- thus infeile. - Webbed neck - Nipples widely placed, Shield shaped chest , No intellectual disability 