Table 1.

Patient information

	Control (n = 50)	AS (n = 50)	P value
Age (year)	30.7 ± 3.3	32.1 ± 3.9	>0.05
Duration of infertility (year)	3.6 ± 1.6	5.5 ± 1.6	<0.05
Indication	Chronic salpingitis 13/50 Hydrosalpinx 37/50	Intrauterine adhesion
D&C (n)	2.5 ± 1.0	3.5 ± 1.4	<0.05
Times of hysteroscopy surgery	0	2.1 ± 1.0	<0.05
Endometrial thickness (mm)	7.8 ± 0.7	5.1 ± 1.0	<0.05
Percentage of scar (%)	0	83.1 ± 10.1	<0.05
AFS score	0	9.2 ± 1.4	<0.05

AS Asherman’s syndrome, AFS American Fertility Society, D&C dilatation and curettage