The earliest sign of uteroplacental insufficiency on Doppler is?: (A) Diastolic notch, (B) Reversal of diastolic flow, (C) Blunting of systolic flow, (D) Absent mid diastolic flow
Answer is A. Ans AThe signs of uteroplacental insufficiency in increasing order of severity are early/pre diastolic notch, absent diastolic flow and lastly reversal of flow during diastole.