Cálculos de cocientes
Cociente FL/AC
Hadlock F.P., R. L. Deter, R. B. Harrist, E. Roecker, y S.K. Park. "A Date Independent Predictor of Intrauterine
Growth Retardation: Femur Length/Abdominal Circumference Ratio", American Journal of Roentgenology,
141: (November 1983), 979-984.
Cociente FL/BPD
Hohler, C.W., y T.A. Quetel. "Comparison of Ultrasound Femur Length and Biparietal Diameter in Late
Pregnancy", American Journal of Obstetrics and Gynecology, 141:7 (Dec. 1 1981), 759-762.
Cociente FL/HC
Hadlock F.P., R. B. Harrist, Y. Shah, y S. K. Park. "The Femur Length/Head Circumference Relation in Obstetric
Sonography". Journal of Ultrasound in Medicine, 3: (October 1984), 439-442.
Cociente HC/AC
Campbell S., Thoms Alison. "Ultrasound Measurements of the Fetal Head to Abdomen Circumference Ratio
in the Assessment of Growth Retardation", British Journal of Obstetrics and Gynaecology, 84: (March 1977),
165-174.
8-14
Referencias de medición