Assessment of the Influence on Spontaneous Pregnancy of Hysterosalpingo-Contrast Sonography

Table 2

General characteristics of the two groups.

Characteristic	Group A (n=284)	Group B ( n=724)	P Value
Age
Median (years)	28.48 ± 4.80	29.56 ± 5.39	0.013
Age group—no./total no. (%)
18–35 years	259 (25.69)	604 (59.93)	0.002
> 35 years	25 (2.48)	120 (11.90)
Primary infertility—no. (%)	97 (34.15)	263 (36.33)	0.518
Secondary infertility	187 (65.85)	461 (63.67)
Median duration of menstrual cycle—days	30.88 ± 8.67	31.94 ± 12.63	0.976
Dysmenorrhea—no. (%)	567 (72.66)	441 (70.75)	0.503
Parity number
Nulliparity	211 (74.29)	530 (73.20)	0.651
One live birth	68 (23.94)	172 (23.76)
Two live births	5 (1.76)	22 (3.04)