Birth weight (g)

ICC coefficient

95% C.I

P

Level of agreement

Actual vs.

Hadlock formula

0.573

0.359 - 0.717

<0.001*

Moderate

TC formula

0.627

0.475 - 0.739

<0.001*

Moderate

SCT formula (´10³)

0.145

−0.080 - 0.381

<0.001*

Poor