Table 2.

Comparison of demographic characteristics between pregnant and non-pregnant subjects

		Pregnant (n = 61)	Non-pregnant (n = 190)	P
Mean age (y)		26.6 ± 4.2	29.6 ± 5.7	<.000
Duration of infertility (y)		5.5 ± 3.7	7.4 ± 4.6	.003
Primary infertility (%)		58 (95.1)	172 (90.5)	NS
Cause of infertility (%)	Male	22 (36.1)	64 (33.7)	NS
	Female	27 (44.3)	81 (42.6)
	Both	7 (11.5)	25 (13.2)
	Unknown	5 (8.2)	20 (10.5)
Education (%)	No education	0	6 (3.2)	NS
	Primary school	6 (9.8)	30 (15.8)
	Guiding school	11 (18)	49 (25.8)
	High school	3 (4.9)	9 (4.7)
	Completed high school	29 (47.5)	59 (31.1)
	University	12 (19.7)	37 (19.5)
Previous treatment		1.2 ± 1.4	1.3 ± 1.4	NS
BDI1 score		14.6 ± 11.3	14.5 ± 9.8	NS