Measure Preset 2-3
2.3.1 Obstetric Formula
The obstetric formulae are used in GA, EFW calculations and Fetal Growth Curve.
GA and FG Formulae
GA will be automatically calculated after the corresponding measurements are completed. The
system will recalculate the GA after new measurements are completed.
Tips: 1. For preset of the default formula, See "Set the default formula."
2. For more information about GA and Fetal Growth Curve, see "5 Obstetrics".
3. You can add user-defined formulae for items (obstetric tools) that are not included
in the GA and FG table below. See “2.3.2.2 User-defined OB Formulae”.
GA and FG formulae are shown in table below:
Note: “/” means no formula provided for the item.
Tools GA FG
EFW
Tok yo
Hadlock
Hadlock
Shepard
Hansmann
Tok yo
Brenner
William
EFW2
Tok yo
Hadlock
Hadlock
Shepard
Hansmann
Tok yo
Brenner
William
GS
Tok yo
Rempen
Hansmann
China
Rempen
Tok yo
Hansmann
Hellman
CRL
Hadlock
Tok yo
Jeanty
Nelson
Robinson
Rempen
Hansmann
China
ASUM
RobinsonBMUS
Hadlock
Tok yo
Robinson
Rempen
Hansmann
ASUM