unfertilized
- s not having been fertilized
an unfertilized egg
- The child she had carried for nine months was the genetic offspring of another woman, who had donated an unfertilized egg.
- Because the presence of RU 486 blocks the action of progesterone, the uterine lining sloughs off, and the embryo is expelled, as an unfertilized egg is during a normal period.
- The problem, however, as Eggan puts it, is that "there are never any extra unfertilized eggs hanging out at IVF clinics.