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Table 5 Prediction equations for body weight (in g) from measured variables (in mm) using data from four strains

From: In vivo quantification of embryonic and placental growth during gestation in mice using micro-ultrasound

From crown-rump length (CRL):
BW = -0.778+ 0.0966(CRL)
R2 = 0.906
From biparietal diameter (BPD):
BW = 12.21 - 7.96(BPD) + 1.67(BPD)2 - 0.110(BPD)3
R2 = 0.844
From abdominal circumference (AC):
BW = -0.08 - 0.018(AC) + 0.00247(AC)2
R2 = 0.879
From crown-rump length (CRL) and abdominal circumference (AC):
BW = -0.858 + 0.0659(CRL) + 0.0257(AC)
R2 = 0.918
  1. BW, body weight