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Two-horned uterus. X-ray of the abdomen of a woman showing her two-horned (bicornuate) uterus (white, lower centre). This congenital defect results in the division of the upper end of the uterus into two halves. It may result in a higher rate of miscarriage during pregnancy, or promote premature labour or a breech (buttocks first) presentation at birth. Surgical treatments for a bicornuate uterus include reshaping the uterus to create a larger uterine cavity, and stitching shut the neck of the uterus (cervix, bottom centre) during pregnancy to prevent its early opening. A contrast medium, introduced through the cervix, reveals the position of the uterus on the X-ray.
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