| 1 | She is now in early menopause and infertile herself. | |
| 2 | Tuberculosis and unsafe delivery practices can also cause infertility. | |
| 3 | It can set off a chemical reaction that makes an individual sperm infertile. | |
| 4 | Post-infection tubal damage is responsible for 30 - 40% of cases of female infertility. | |
| 5 | He said: "Infertility is a devastating condition that affects millions of couples worldwide. |