<prompt> The earliest sign of uteroplacental insufficiency on Doppler is?Diastolic notchReversal of diastolic flowBlunting of systolic flowAbsent mid diastolic flow  <response>: Ans AThe signs of uteroplacental insufficiency in increasing order of severity are earlypre diastolic notch, absent diastolic flow and lastly reversal of flow during diastole. 