What does it mean to have a retroverted uterus?
“子宫体后位” is a normal anatomical variation in which the body of the uterus is tilted posteriorly—meaning it leans backward toward the rectum—rather than forward toward the bladder (the more common anteverted position). This positioning is observed during pelvic examination or imaging (e.g., transvaginal ultrasound) and is present in approximately 20–30% of individuals with uteruses. It is not a disease, pathology, or structural abnormality; rather, it reflects natural diversity in uterine orientation.
Uterine position—including anteversion, retroversion (synonymous with “posterior position”), or midposition—is influenced by factors such as ligamentous support, pelvic floor muscle tone, prior childbirth, hormonal changes, and individual anatomy. Retroversion may become more pronounced after menopause due to decreased estrogen-related ligament elasticity or following pelvic surgeries, but it remains physiologically benign in most cases.
Clinically, a retroverted uterus typically causes no symptoms and does not impair fertility, pregnancy, menstruation, or sexual function. While rare, some individuals may report mild lower back discomfort or dyspareunia (painful intercourse) in certain positions—though these symptoms are nonspecific and require thorough evaluation to rule out other pelvic conditions such as endometriosis, adhesions, or pelvic inflammatory disease.
Importantly, a retroverted uterus does not increase the risk of miscarriage, preterm birth, or complications during labor. During pregnancy, the uterus usually auto-corrects to an anteverted or midposition by the 10th–12th week as it enlarges and rises out of the pelvis—a process known as “uterine anteversion.”
No treatment is indicated for an asymptomatic retroverted uterus. Intervention—such as pessary placement or surgical repositioning—is exceptionally rare and only considered in highly unusual circumstances where it contributes to significant, refractory symptoms unexplained by other diagnoses. Routine gynecologic care, including cervical cancer screening and contraception counseling, proceeds without modification based solely on uterine position.