Radiology All are true about antenatal umbilical aery Doppler except? A Decreased diastolic flow of umbilical aery is suggestive of IUGR B S/D Ratio of umbilical aery is less than S/D ratio of Fetal MCA C S/D Ratio is decreased in smoking females D Reversal of diastolic flow in umbilical aery Doppler suggests impending Fetal demise 💡 Explanation All are true about antenatal umbilical aery Doppler except? ✓ Correct Answer: C. S/D Ratio is decreased in smoking females