Population
50 human fetuses, comprising 30 normal hearts from fetuses aborted at 10-33 weeks' gestation and 20 normal…
Design
Cross-sectional
Authors
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Human fetal isthmus exceeds animal model sizes; hypothesis-generating for circulation differences and requires prospective validation.
In mid-gestation, the aortic isthmus of the human fetus is larger than reported in animal models, suggesting differences in fetal circulation distribution.
Angelini et al. (1988) studied this question.
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