Table 1.

Demographic characteristics of study participants in two study groups

Parameter		ART pregnancy group	Spontaneous pregnancy group	P value
Age (Y)		29.42 ± 4.39	29.57 ± 5.02	0.47
Education
	Primary	13 (32.5)	10 (25)
	High school diploma	11 (27.5)	13 (32.5)
	University education	16 (40)	17 (42.5)	0.74
Job
	Housewife	30 (75)	29 (72.5)
	Employed	10 (25)	11 (27.5)	0.79
Income*
	Below 5000	6 (15)	7 (17.5)
	5000-10000	14 (35)	16 (40)
		10000-15000	12 (30)	12 (30)
	More than 15000	8 (20)	5 (12.5)	0.82
Gestational age (weeks)		9.87 ± 1.91	9.55 ± 2.11	0.55

Data are presented as mean ± SD or n (%). *; Thousands rials and ART; Assisted reproductive technology.