Table III.

Frequency of developmental delay in each developmental domain in both groups

Developmental domain		ART	Natural conception	p-value
Gross motor				0.3
	Normal	58	60
	Delay	3	1
Fine motor				0.008
	Normal	32	46
	Delay	29	15
Problem solving				0.004
	Normal	24	40
	Delay	37	21
Personal social skills				0.35
	Normal	52	48
	Delay	9	13
Communication				0.31
	Normal	61	60
	Delay	0	1

* The used statistical test: Chi-square test