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Infertility: false-colour hysterosalpingogram of the abdomen of a woman suffering from blocked fallopian tubes. Hysterosalpingography is an X-ray technique that employs a contrast medium to outline the uterus and both fallopian tubes, coloured here in shades of blue. It is used in the diagnosis of infertility due to obstructed tubes, a possible consequence of pelvic inflammatory disease. In this patient, the right tube (left on image) is blocked near the uterus - the upper triangular feature. No contrast medium appears to have penetrated through the obstruction. The left tube is obstructed at a point further from the womb & dilatation (enlargement) has occurred.
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