Definition of Retroversion of the uterus:

Retroversion of the uterus is a normal variation of female pelvic anatomy in which the body of the uterus is tipped toward the back rather than forward.

Causes, incidence, and risk factors:

Retroversion of the uterus is common and is found to be the normal uterine position in about 20% of all women. Laxness of the supporting pelvic ligaments associated with menopause may cause retroversion in women who previously did not have a retroverted uterus.

Enlargement of the uterus, either as the result of a pregnancy or a tumor, may also change the relative position of the uterus within the pelvis. Pelvic adhesions (scar tissue that forms in the pelvis) resulting from salpingitis, pelvic inflammatory disease, or endometriosis have also been associated with holding the uterus in a retroflexed position.