| Smoking | Non-Smoking | |||
| Fertile | Infertile | Fertile | Infertile | |
| ACP1 | ||||
| *A/*A | 4.0% | 15.0% | 11.6% | 10.3% |
| *B/*B | 36.0% | 55.0% | 46.5% | 41.0% |
| *A/*B | 56.0% | 25.0% | 39.5% | 30.8% |
| *A/*C and *B/*C | 4.0% | 5.0% | 2.3% | 17.9% |
| Total n | 25 | 19 | 43 | 39 |