How can a man tell if he is fertile?

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Tags

1. #normal
2. #quantity
3. #erections
4. #appearance
5. #ejaculated
6. #infertile
7. #ejaculation
8. #cases
9. #without
10. #infertility
11. #needed
12. #medical
13. #tests
14. #obvious
15. #signs
16. #happen
17. #semen
18. #appears
19. #intercourse
20. #there
21. #difficulty
22. #usually
23. #naked
24. #generally