Table 1.
Demographic characteristics
| N = 43 | |
|---|---|
| Infertility duration (years) | 2.6 ± 1.3 |
| Age (years) [25th;75th] | 37.0 [34.0; 38.0] |
| BMI (kg/m2) [25th;75th] | 24.9 [22.6;28.7] |
| Smoking (%) | 27.9 (12) |
| Day of the cycle | 14.8 ± 5.9 |
| Previous pregnancy (%) | 53.5 (23) |
| Previous children (%) | 20.9 (9) |
| Previous miscarriage and/or elective abortion (%) | 37.2 (16) |
| Previous spontaneous miscarriage (%) | 23.3 (10) |
| Elective abortion (%) | 16.3 (7) |
| Day of the cycle (%) | |
| 0–12 | 38.5 (15) |
| 13–18 | 33.3 (13) |
| ≥ 19 | 28.2 (11) |
| NA | (4)* |
| BMI (categorized) (%) | |
| 18–25 | 51.2 (22) |
| 26–30 | 27.9 (12) |
| >30 | 20.9 (9) |
| Main infertility diagnosis (%) | |
| Unknown factor | 46.5 (20) |
| Male factor | 18.6 (8) |
| Single woman | 7.0 (3) |
| Endometriosis | 7.0 (3) |
| Oocyte cryopreservation | 2.3 (1) |
| Other | 18.6 (8) |
Values are expressed as mean ± standard deviation unless otherwise expressed. Numbers inside parentheses correspond to the number of cases
* = 2 samples corresponded to disovulatory cycles and in 2 the day of the cycle was not registered