Are people with Klinefelter sterile?

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Tags

1. #people
2. #males
3. #known
4. #features
5. #result
6. #occurs
7. #realize
8. #syndrome
9. #usually
10. #subtle
11. #testicles
12. #affected
13. #often
14. #infertility
15. #symptoms
16. #small
17. #chromosomes
18. #primary
19. #klinefelter
20. #randomly