Placental determinants of fetal growth: identification of key factors in the insulin-like growth factor and cytokine systems using artificial neural networks

Table 1 Main features at birth of fetal growth restricted and appropriate for gestational age newborns

	FGR	AGA
Males/Females	9M/11F	15M/13F
Gestational age (weeks)	33.4 ± 0.8*	36.7 ± 0.5
Weight of Placenta (gr)	349.8 ± 35.3 *	615.9 ± 27.9
Weight at birth (Kg)	1.5 ± 0.1 *	2.9 ± 0.1
Length at birth (cm)	41.1 ± 1.3 *	49.7 ± 0.6
Head circumference at birth (cm)	29.4 ± 0.8 *	34.2 ± 0.4

FGR: fetal growth restricted; AGA: appropriate for gestational age: * p < 0.05 versus AGA

ISSN: 1471-2431