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Ultrasonic estimation of fetal weight: A new predictive model incorporating femur length for the low‐birth‐weight fetus
Author(s) -
Roberts A. B.,
Lee A. J.,
James A. G.
Publication year - 1985
Publication title -
journal of clinical ultrasound
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.272
H-Index - 61
eISSN - 1097-0096
pISSN - 0091-2751
DOI - 10.1002/1097-0096(199010)13:8<555::aid-jcu1870130807>3.0.co;2-z
Subject(s) - medicine , biparietal diameter , fetus , femur , fetal weight , ultrasound , abdomen , head circumference , circumference , birth weight , ultrasonic sensor , ultrasonography , anatomy , obstetrics , pregnancy , surgery , radiology , mathematics , biology , geometry , genetics
Ultrasonic measurements of biparietal diameter, head circumference, abdominal circumference, and femur length were made in 50 preterm fetuses within 48 h of delivery. Measurements of femur length in addition to fetal head and abdomen significantly improved fetal weight prediction. A computer‐derived formula incorporating femur length as an index of total fetal length was derived. This predicted 84% of weights within 10% of the birth weight. Comparisons with other formulas are given.