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  1. Sperm Qualities and its effect on Gender
  2. How do Sperm Come to Life?
  3. GUESS WHAT??? MEN MAKE 50-50 X AND Y SPERM!!!
  4. Interesting and weird article about sperm count
  5. interesting info about improving sperm count and male-factor infertility
  6. study about frequent release lowering sperm count
  7. Article on sperm count link to sex ratio?
  8. Is sperm COUNT hereditary?
  9. Man's sperm decides gender?
  10. Understanding SA results