TABLE 1.
Baseline (preconception) characteristics of cases and controls for subfertility.
| Cases | Controls | |
|---|---|---|
| N | 17 | 25 |
| Age in years, mean (SD) | 30.52 (3.06) | 29.30 (2.52) |
| BMI in Kg/m2, mean (SD) | 23.78 (3.83) | 22.94 (2.39) |
| Smokers, n (%) | 7 (41.0) | 7 (28.0) |
| Cigarretes/day, mean (SD) | 10.2 (5.7) | 9.4 (10.3) |
| OCa user, previous 6 months, n (%) | 4 (28.6) | 9 (37.5) |
| tHcy (μmol/L), mean (SD) [n] | 8.0b (3.1) [15] | 8.5b (2.0) [24] |
a
OC: oral contraceptive use during the 6 months prior to starting study
b
Mean of preconception visits.