Research Article
Ultrasound Parameters of Umbilical Artery Blood Flow Are Associated with Amniotic Fluid and Umbilical Artery Concentrations of Erythropoietin and Oxidative Stress Injury
Table 2
The S/D, RI, and PI of UmA and MCA blood flows in normal and hypoxic fetuses at 32-36 gestational weeks.
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Note: UmA: umbilical artery; MCA: middle cerebral artery; S/D: systolic to diastolic ratio; RI: resistant index; PI: pulse index. |