Population
80 normal fetuses between the 17th to 42nd weeks of gestation
Design
Cross-sectional
Authors
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Supplies normative fetal ventricular references by gestational age; extends echocardiographic data but leaves open longitudinal validation and clinical utility.
The human fetus increases its cardiac output to match growth primarily by increasing ventricular size rather than fractional shortening or heart rate.
Veille et al. (1990) studied this question.
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