The earliest sign of uteroplacental insufficiency on Doppler is?
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.
Diastolic notch
Reversal of diastolic flow
Blunting of systolic flow
Absent mid diastolic flow
Miscellaneous