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InvestigationsHysterosalpingogram (HSG)The term hysterosalpingogram, also known as HSG, refers to an x-ray of the womb and tubes. The uterus and Fallopian tubes are invisible on the X-ray. To make them visible in the hysterosalpingogram a special X-ray fluid (contrast medium) is injected via the neck of the womb. The contrast medium shows up on the X-ray and outlines the shape and contours of the uterine cavity and may also work its way along the tubes. HSG is usually recommended in low-risk patients to demonstrate a blockage in the tubes, it may also demonstrate an abnormality within the womb. The hysterosalpingogram procedure is performed in the X-ray department and usually takes about 15-20 minutes. How is the HSG procedure carried out? The patient lays on a table under the X-ray imager. The doctor inserts a speculum (an instrument inserted into the vagina to visualize the cervix), cleans the cervix from any discharge, then a fine tube is inserted through the cervix and a special contrast medium is injected. The flow of the dye from the uterus to the tubes is observed through an X-ray image intensifier (which looks like a TV screen). Films of the HSG are usually taken for the record.
![]() No anesthetic is required in most cases when performing the HSG, but some mild discomfort similar to period pain may be experienced. This can be greatly reduced by taking pain killer tablets. The test has to be performed in the first half of the cycle after menstruation has stopped and before ovulation, to avoid x-ray exposure to a fertilized egg. A course of antibiotics might be given after the procedure to prevent the possibility of infection. Tubal spasm may occasionally obstruct the proximal end of the tube (near the uterus) during the HSG, and gives a false impression of tubal blockage on the screen. Furthermore, the HSG provides little or no information about peritubal adhesions that could impair the tubal function. Previous | Next | Page: 1 2 3 4 5 6 7 8 9 Male Investigations | Female Investigations
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