Centres/Radiology/Conventional radiology/Hysterosalpingography

Hysterosalpingography (HSG)

Hysterosalpingography in Tunis, Tunisia · Centre Urbain Nord

Hysterosalpingography (HSG) in Tunis: X-ray of the uterus and fallopian tubes with iodinated contrast, as part of a fertility assessment.

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What is it?

Hysterosalpingography (HSG) is an X-ray examination of the uterine cavity and fallopian tubes. An iodinated contrast agent is gently introduced through the cervix: it fills the uterus then flows into the tubes. If the tubes are open, the contrast spills into the abdomen. It is an important part of a fertility assessment. It is carried out in the first part of the cycle, after the end of the period and before ovulation, when pregnancy can be ruled out. Selective HSG involves guiding a thin catheter to the opening of one tube to study it more precisely, or to try to unblock it.

When is it indicated?

Fertility assessment

It checks that the tubes are open, which is necessary for the egg and sperm to meet.

Abnormality of the uterine cavity

It may show a polyp, a fibroid, a septum or a malformation of the uterus.

Recurrent miscarriage

It looks for an abnormality in the shape of the uterus.

Detailed study of one tube

Selective HSG studies a tube that does not fill during the standard examination.

Preparation

1Book the appointment in the first part of the cycle, after the end of your period and before ovulation, as instructed

2Avoid unprotected intercourse between your period and the examination; a pregnancy test may be requested

3Tell us about any allergy to iodinated contrast, a recent genital infection or lower abdominal pain

4A painkiller may be taken before the examination on medical advice; an antibiotic is sometimes prescribed

5Bring your referral, ultrasound scans and fertility test results

Procedure

You lie on your back on the table, in the gynaecological position

A speculum is inserted, as for a smear test, then a thin cannula is placed at the cervix

The contrast agent is gently injected while the radiologist follows it on a screen

Cramps similar to period pain are common during the injection and ease quickly

A final image may be taken a few minutes later

Light bleeding or discharge may occur for a day or two: bring a sanitary pad

Duration

About 15 to 30 minutes

Results

The images are analysed by a radiologist, who writes a report. It is given to you with the images and sent to your doctor, who will explain the results and the next steps. You will be told on the day of the examination when the results will be ready.

Precautions and contraindications

Temporary cramps and lower abdominal pain during and just after the examination

Infection of the uterus or tubes: rare; see a doctor in case of fever or increasing pain in the following days

Allergic reaction to iodinated contrast: rare and usually mild (redness, itching); severe reactions are exceptional and the team is prepared to manage them

Brief faintness possible (dizziness, sweating): the team monitors you

Not performed in case of pregnancy, ongoing genital infection or bleeding

Your doctor and the radiology team will inform you in detail before the examination. Feel free to ask them your questions.

This information is general and does not replace the advice of your doctor, who chooses the examination suited to your situation.