All are true about antenatal umbilical aery Doppler except?
Correct Answer: S/D Ratio is decreased in smoking females
Description: S/D Ratio of umbilical aery Doppler is increased in smokers. Decreased, absent or reversal of diastolic flow on umbilical aery Doppler suggests fetal IUGR and impending Fetal death. Fetal MCA S/D ratio is normally more than S/D ratio of umbilical aery. Fetal MCA S/D ratio is less than S/D ratio of umbilical aery Doppler in IUGR.
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