Table 5.

Optimized Protocol – Summary of results obtained by each ANN model on the variables of the first (7 variables) and second (9 variables) selection using the IS system.

ANN Model	Target		Mean Accuracy %		Errors
	FGR (%)	AGA (%)	Arithmetic	Weighted
BM 7 VAR.	91,67	84,62	88,14	88,00	3
BM 9 VAR.	91,67	76,92	84,29	84,00	4
BP 7 VAR.	91,67	84,62	88,14	88,00	3
BP 9 VAR.	91,67	84,62	88,14	88,00	3
SN 7 VAR.	75,00	92,31	83,65	84,00	4
SN 9 VAR.	75,00	84,62	79,81	80,00	5

FGR: fetal growth restriction;

AGA: appropriate for gestational age.

BM Bimodal neural network

BP: Back propagation neural network

SN: Sine net neural network