Sterility, fecundity, what about the men ?

Population and Societies

371, September 2001

  • The role of men in couple infertlity
  • The question of age of men
  • Has male fecundity declined among the younger generation ?


Human reproduction is based on the sexual union of a man and a woman. Nonetheless, scientific research on fertlity (births), fécundity (the ability to give birth) or contraception (birth control) is mainly devoted to women and practically ignores men. Some studies on male fecundity have been carried out, however. These focus on the role of men in three aspects of human fecundity: couple infertility, the question of a possible male fecundity decrease with age and the hypothesis that the fecundity of younger male generations may be diminishing.

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