In valvular hea disease complicating pregnancy the following statements are true except :: (A) A closed mitral valvotomy can be carried out if symptoms of mitral stenosis are severe, (B) Open hea surgery is associated with a reduction in fetal loss, (C) Mitral regurgitation is usually well tolerated, (D) A maternal moality of 15% has been repoed in women with critical aoic stenosis
Answer is B. Open hea surgery is associated with a reduction in fetal loss