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n. A forward bending or an organ, especially that of the uterus near the cervix

n. A displacement forward of an organ, esp. the uterus, in such manner that its axis is bent upon itself.

"An extreme degree of anteversion or anteflexion, or retroversion or retroflexion, may interfere with impregnation, as the spermatozoa may find it difficult or impossible to reach the opening of the womb -- the external os."