Summary
Several anatomical parameters are useful in the assessment of gestational age. This work studies the foot length growth analysed against age, crown-rump length (C-R) and body weight (W) in eighty human fresh fetuses (staging from 14 to 38 weeks postconception). These data were correlated with the following statistical methods: simple regression, power formula (allometric method), exponential and reciprocal models. The foot length growth presents very high and statistically significant coefficients of correlations with fetal parameters (P<0.001); the allometric method was the best method for this analysis. Foot length grows with moderate (against the age and C-R) or slight (against the W) positive allometry. This study presents statistically significant curves of the foot length growth in relation to fetal parameters. These curves are useful in anatomy, forensic medicine, fetopathology, medical imaging, obstetrics and pediatrics.
Résumé
Plusieurs paramètres anatomiques sont utilisés pour estimer l'âge gestationnel. Ce travail étudie la longueur du pied comparée à l'âge gestationnel, à la taille vertex-coccyx et au poids du corps chez 80 fœtus humains non conservés (étagés de 14 à 38 semaines après la conception). Ces données sont étudiées selon les méthodes statistiques suivantes : simple régression, régression multiplicative (méthode allométrique), modèles exponentiels et réciproques. La longueur du pied présente un coefficient de corrélation très élevé et statistiquement significatif, avec les paramètres fœtaux (P<0,001). La méthode allométrique est la meilleure pour cette analyse. La longueur du pied croît avec une allométrie modérée (en comparaison avec l'âge et la taille vertex-coccyx) ou légère (en comparaison avec le poids). Cette étude a permis d'établir des courbes statistiquement significatives des rapports entre la longueur du pied et les paramètres fœtaux. Ces courbes sont utiles en anatomie, en médecine légale, en fœto-pathologie, en imagerie médicale, en obstétrique et en pédiatrie.
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Mandarim-de-Lacerda, C. Foot length growth related to crown-rump length, gestational age and weight in human staged fresh fetuses. Surg Radiol Anat 12, 103–107 (1990). https://doi.org/10.1007/BF01623332
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DOI: https://doi.org/10.1007/BF01623332