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c.1600, from Late Latin infertilitatem (nominative infertilitas), from infertilis (see infertile).
infertile in·fer·tile (ĭn-fûr'tl)
Incapable of producing offspring; sterile.
infertility in·fer·til·i·ty (ĭn'fər-tĭl'ĭ-tē)
Absent or diminished fertility.
The persistent inability to achieve conception and produce an offspring.
the inability of a couple to conceive and reproduce. Infertility is defined as the failure to conceive after one year of regular intercourse without contraception or the inability of a woman to carry a pregnancy to a live birth. Infertility can affect either the male or the female and can result from a number of causes. About 1 in every 10 couples is infertile, or somewhere between 10 and 15 percent of the population