Development of a Z-score for the ductal flow pulsatility index in normal fetuses using two-dimensional Doppler echocardiography

Journal of Perinatal Medicine · Published 2026-04-27 · DOI 10.1515/jpm-2025-0660

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Abstract

To determine gestational age-specific reference ranges and develop a Z-score equation for the fetal ductal pulsatility index (PI), between 24 and 33 + 6 weeks of gestation.

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Publication details

Year

2026

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