Unfertile used in a sentence

Unfertile in a sentence as an adjective

Infertile also means normally something like "99,9999% unable to produce seeds" but with enough time and a high number of tries, planets will align in the polinisation of two "unfertile" stems of the same plant.

Fantastic, if this really translates into human ovaries it will greatly expand the viability of otherwise unfertile couples, and together with better health care and fertility ***** we can tremendously increase the "threatened" human population.