Webster Dictionary (4.00 / 1 vote) Rate this definition: Proficiency (noun) the quality of state of being proficient; advance in the acquisition of any art, science, or knowledge; progression in knowledge; improvement; adeptness; as, to acquire proficiency in music
Additional terms include: 1  retrocessed uterus: both the superior and inferior ends of the uterus are pushed posteriorly.  severely anteflexed uterus: the uterus is in the same position as normal and bends in the same direction (concave is anterior) but the bend is much more pronounced.
An anteverted uterus is one of the most common positions of the uterus. In 2004 study of the Department of Obstetrics and Gynecology, Stanford School of Medicine, results showed that around 74 percent of women have an anteverted uterus, while 26 percent have a retroverted uterus. Further reading: