Table 1 Clinical characteristics of the study population

Age (years)

32.88 ± 2.03

30.57 ± 2.64

0.08^a

BMI (kg/m²)

21.11 ± 1.75

19.96 ± 1.61

0.19^a

Duration of infertility (years)

2 (1, 2)

2 (1, 2)

0.95^b

Previous conception

0 (0, 1)

0 (0, 1)

0.90^b

AMH (mIU/ml)

3.01 (2.08, 6.83)

3.99 (2.10, 6.03)

1.00^b

Basal FSH (mIU/ml)

6.36 (4.36, 7.11)

6.50 (5.83, 7.12)

0.76^b

Basal LH (mIU/ml)

5.01 (1.41, 0.64)

5.43 (1.96, 5.00)

0.64^b

Basal E2 (pg/ml)

38.62 (35.00, 49.99)

35.72 (27.37, 43.28)

0.47^b

Basal P (ng/ml)

0.34 ± 0.23

0.24 ± 0.15

0.33^a

Basal PRL (ug/L)

20.58 ± 7.74

18.30 ± 4.74

0.16^a

CD 138⁺ (/HPF⁺)

0 (0, 0)

10 (5, 15)

0.00 ^b

Histological findings

Normal (40/40)

Plasma cell infiltration (40/40)

0.00 ^c

Previous antibiotics treatment

0 (0, 0)

0 (0, 1)

0.00 ^b