Radiograph of a hysterosalpingogram revealing a uterine cavity with a central wedge shaped defect (extending from the fundus toward the cervix) and a few rounded filling defects (either polyps, submucosal myomas or air bubbles). The central wedge shaped defect either represents a (small) uterine septum or a bicornuate uterus. If the central (wedge shaped) defect is very small this is often referred to as an “arcuate uterus.” Surgical repair of very mild defects referred to as “arcuate” are generally not thought to be necessary since there is no convincing evidence that such repair improves reproductive performance.
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