Table 1. Clinical and laboratory data regarding pregnant and non-pregnant patients after Intrauterine Insemination procedure.
Variables G1 G2 p*
Women age, years 32.9±4.5 34±4.7 0.460
Men age, years 31±0 38±5.4 0.214
BMI, kg/m2 28.2±6 24.9±4.4 0.072
Preovulatory follicles, n 2 [1-2.25] 2 [1-2] 0.484
Sperm volume, ml 3 [2-4] 2.5 [2-3.7] 0.840
Sperm Concentration, million/ml** 35 [10-70] 40 [15-70] 0.659
Sperm Motility,% 50 [45-70] 60 [50-75] 0.356
Sperm Concentration (after preparation), million/ml 38 [7-150] 30 [10-70] 0.768

G1. Pregnant women; G2. Non-Pregnant women. BMI. Body mass index.

Variables expressed in median. *Student’s t-test or U-Mann-Whitney.

**It was also performed an analysis using the cut-off point in 10 or 15 million/mL in sperm concentration before IUI and no statistical difference was observed between groups.