HSG

What is Hysterosalpingography?

Hysterosalpingography, also called uterosalpingography, is an x-ray examination of a woman’s uterus and fallopian tubes that uses a special form of x-ray called fluoroscopy and a contrast material.

An x-ray (radiograph) is a noninvasive medical test that helps physicians diagnose and treat medical conditions. Imaging with x-rays involves exposing a part of the body to a small dose of ionizing radiation to produce pictures of the inside of the body.

Fluoroscopy is a special x-ray technique that makes it possible to see internal organs in motion. When the uterus and fallopian tubes are filled with a water-soluble contrast material, the radiologist is able to view and assess their anatomy and function.

What are some common uses of the procedure?

Hysterosalpingography is primarily used to examine women who have difficulty becoming pregnant by allowing the radiologist to evaluate the shape and structure of the uterus, the  the fallopian tubes (tubes leading to the ovaries), and any scarring.

The procedure can be used to investigate repeated miscarriages that result from congenital abnormalities of the uterus and to determine the presence and severity of uterine masses, adhesions/scarring, and fibroids inside the uterus and tubes leading to the ovaries.

Hysterosalpingography is also used to evaluate the fallopian tubes, and to monitor the effects of tubal surgery, including:

  • blockage of the fallopian tubes due to infection or scarring
  • tubal ligation
  • the closure of the fallopian tubes in a sterilization procedure and a sterilization reversal
  • the re-opening of the fallopian tubes following a sterilization or disease-related blockage

 

Frequently Asked Questions

  • What is an HSG?

    A hysterosalpingogram is an X-ray test that looks at the inside of the uterus and fallopian tubes.  It is commonly performed on women who have a hard time getting pregnant.

  • Why is an HSG performed?

    To find a blocked fallopian tube, abnormal shape or structure of the uterus, or scarring from polyps, adhesions, or fibroids.  It can also be used to determine if a surgical blockage of the fallopian tubes was successful.

  • How is the exam performed?

    You will be positioned in a similar fashion to having your pelvic exam at your gynecology office.  The radiologist will insert a speculum into your vagina, and clean the cervix with a cleaning solution.  They will then introduce a small catheter into the cervical opening and advance it into the uterus.  X-ray dye, or contrast, will be injected through the catheter to fill the uterus and fallopian tubes.  The radiologist and technologist will take pictures as the contrast advances.  The procedure usually takes only minutes to complete.

  • When can I have the exam?

    With an order from your referring physician, the exam can be scheduled on days 7-10 of your last menstrual period and when you are less likely to be pregnant..

  • Will it hurt?

    Most patients experience mild cramping during and immediately following the procedure.  This is usually comparable to menstrual cramping and should subside within a few hours.

 

The procedure should be scheduled 7-10 days after you have begun your last menstrual period.  Refrain from intercourse during this entire time to ensure you are not pregnant during this exam.

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