An elderly multiparous woman with intrauterine foetal death was admitted with strong labour pains. The patient suddenly goes in shock with cyanosis respiratory disturbances and pulmonary oedema. The most likely clinical diagnosis is :: (A) Rupture of uterus, (B) Congestive hea failure, (C) Amniotic fluid embolism, (D) Concealed accidental hemorrhage
Answer is C. Amniotic fluid embolism