Fetal foot length as a predictor of gestational age

Ultrasonographic measurement of fetal foot length is useful in the assessment of gestational age. Two hundred twenty-three postpartum and 224 ultrasonographic measurements were performed between 11 and 43 weeks' gestation; 207 postpartum and 160 ultrasonographic measurements met our requirement...

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Veröffentlicht in:American journal of obstetrics and gynecology 1987-02, Vol.156 (2), p.350-355
Hauptverfasser: Mercer, Brian M., Sklar, Suzi, Shariatmadar, Anahita, Gillieson, Martin S., D'Alton, Mary E.
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container_end_page 355
container_issue 2
container_start_page 350
container_title American journal of obstetrics and gynecology
container_volume 156
creator Mercer, Brian M.
Sklar, Suzi
Shariatmadar, Anahita
Gillieson, Martin S.
D'Alton, Mary E.
description Ultrasonographic measurement of fetal foot length is useful in the assessment of gestational age. Two hundred twenty-three postpartum and 224 ultrasonographic measurements were performed between 11 and 43 weeks' gestation; 207 postpartum and 160 ultrasonographic measurements met our requirements of secure dates and no physical anomaly or maternal disease. Mean foot length at each week of gestation compared favorably with Streeter's data, based on pathologic specimens, described in 1920. Comparison of curvilinear regression of foot length versus gestational age demonstrated a strong correlation with an R2 value of 0.981; 95% confidence intervals at each week compared favorably with both biparietal diameter and femur length data. Fetal foot length is a reliable parameter for use in the assessment of gestational age and is particularly useful when other parameters do not accurately predict gestational age, for example, hydrocephalus, anencephaly, short limb dysplasia.
doi_str_mv 10.1016/0002-9378(87)90282-1
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subjects Biological and medical sciences
Female
Foot - embryology
foot length
Gestational Age
Gynecology. Andrology. Obstetrics
Humans
Management. Prenatal diagnosis
Medical sciences
Pregnancy
Pregnancy. Fetus. Placenta
Ultrasonography
ultrasound
title Fetal foot length as a predictor of gestational age
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