Pregnancy Predictors after Intrauterine Insemination in Cases of Unexplained Infertility: A Prospective Study

Table 1

Descriptive variables for 239 IUI cycles.

Parameters	Positive	Negative	value
Age (years)	28.15 ± 4.93	28.20 ± 4.22	0.951
Husband age (years)	32.74 ± 5.9	32.55 ± 4.83	0.856
BMI (kg/m^2)	23.62 ± 3.46	23.42 ± 4.49	0.82
Duration of infertility (years)	6.09 ± 3.91	6.12 ± 3.68	0.971
Duration of stimulation (days)	12.92 ± 2.99	11.43 ± 2.05	0.001
Endometrial thickness (cm)	0.8 ± 0.16	0.75 ± 0.18	0.136
Number of follicles/cycles	2.14 ± 1.14	1.91 ± 0.96	0.077
Semen: total motile fraction	10.38 ± 5.44	8.35 ± 4.98	0.05
Semen: normal morphology (%)	6.07 ± 1.17	5.8 ± 1.6	0.403
Primary infertility	18 (10.46)	154	0.503
Secondary infertility	9 (13.43)	58
Cycle number
1	23	123	0.045
2	4	64
3	0	25

⁢ value significant.