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Reference Manual 79

[Low Range]

BPD : 5.9cm ~ ∞

TTD : 5.6cm ~ ∞

EFW : 500g ~ ∞

[Reference]

Hansmann, Hackeloer, Staudach, Wittman, “Ultrasound Diagnosis in Obstetrics and

Gynecology,” Springer-Verlag, New York, 1986

Method using (AC, FL)

Hadlock 1 Method [grams]

[Equation]

Log

(EFW) = (0.05281 x AC) + (0.1938 x FL) – (0.004 x AC x FL) + 1.304 ±2SD=16%

[Reference]

Frank P. Hadlock, R. B. Harrist, Ralph S. Sharman, Russell L. Deter, Seung K. Park. “Estimation

of fetal weight with the use of head, body, and femur measurement-A prospective study”

American Journal of Obstetrics and Gynaecology, Vol 151. No.3:333-337, February 1, 1985

Method using (BPD, AC, FL)

Hadlock 2 Method [grams]

[Equation]

Log

(EFW) = (0.0316 x BPD) + (0.0457 x AC) + (0.1623 x FL) - (0.0034 x AC x FL) + 1.335

±2SD=15%

[Reference]

Frank P. Hadlock, R. B. Harrist, Ralph S. Sharman, Russell L. Deter, Seung K. Park. “Estimation

of fetal weight with the use of head, body, and femur measurement-A prospective study”

American Journal of Obstetrics and Gynaecology, Vol 151. No.3:333-337, February 1, 1985

Shinozuka 1 Method [grams]

[Equation]

1.07 x BPD^3 + 0.30 x AC^2 x FL

[Reference]

Shinozuka, N et, al, Am J Obstet Gynecol 157:1140, 1987

Method using (HC, AC, FL)

Hadlock 3 Method [grams]

[Equation]

Log

(EFW) = (0.0107 x HC) + (0.0438 x AC) + (0.158 x FL) - (0.00326 x AC x FL) + 1.326

±2SD=15%

[Reference]

Frank P. Hadlock, R. B. Harrist, Ralph S. Sharman, Russell L. Deter, Seung K. Park. “Estimation

of fetal weight with the use of head, body, and femur measurement-A prospective study”

American Journal of Obstetrics and Gynaecology, Vol 151. No.3:333-337, February 1, 1985

Method using (BPD, HC, AC, FL)

Hadlock 4 Method [grams]

[Equation]

Log

(EFW) = (0.0064 x HC) + (0.0424 x AC) + (0.00061 x BPD x AC) + (0.174 x FL) - (0.00386 x

AC x FL) + 1.3596 ± 2SD=14.8%

[Reference]

Frank P. Hadlock, R. B. Harrist, Ralph S. Sharman, Russell L. Deter, Seung K. Park. “Estimation

of fetal weight with the use of head, body, and femur measurement-A prospective study”

American Journal of Obstetrics and Gynaecology, Vol 151. No.3:333-337, February 1, 1985

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