Obstetrics Doppler Charts

Quick-reference pulsatility index charts for uterine, umbilical, and middle cerebral artery Doppler assessment.

PI reference charts Interactive GA lookup Clinic quick-reference
Maternal vessel

Uterine Artery PI

Gestational-age centile chart with 3rd, 5th, 50th, 95th, and 97th centile bands.

GA 10-39 wks 5 centiles
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Fetal placental vessel

Umbilical Artery PI

Gestational-age centile chart with 5th, 10th, 25th, 50th, 75th, 90th, and 95th centiles.

GA 20-41 wks 7 centiles
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Fetal cerebral vessel

Middle Cerebral Artery PI

Gestational-age centile chart for MCA PI with the same seven centile bands as the source table.

GA 20-41 wks 7 centiles
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