Infertility and spontaneous abortion
Distribution of infertility causes in developed countries
| Infertility cause |
WHO 1988 |
France 1989 |
Geneva 1991 |
| Female cause only |
35% |
33% |
50% |
| Male cause only |
25% |
20% |
27% |
| Cause found in both |
24% |
39% |
20% |
| No cause found in both |
16% |
8% |
3% |
Edited by Aldo Campana,