What Is a Hysteroscopy and Why Do Doctors Recommend It?

In a hysteroscopy, the gynecologist guides a thin camera through the vagina and cervix and studies the uterine lining on a screen. That camera, called a hysteroscope, needs no cuts. Doctors tend to bring it up when bleeding keeps returning or pregnancies end early. A confusing scan is another reason.

According to Dr. Tanuja Uchil, Obstetrician and Gynecologist, in Mumbai, “An ultrasound can hint that something is wrong, but it rarely names it. With a hysteroscopy procedure we view the uterine lining directly. A lot of things that look unclear on imaging become obvious once we’re inside the cavity. That changes what we do next and often saves the patient from going through steps that weren’t necessary.”

Most requests fall into one of four groups.

• Unusual bleeding patterns: Very heavy periods, spotting in the middle of a cycle, or any bleeding after menopause. Most women start with medicines. When they don’t help, doctors want to know why. Seeing the lining itself often answers what a scan leaves open.
• Multiple miscarriages: After two or more losses, doctors start looking at the womb itself. A septum or patch of scar tissue won’t show up on blood tests, yet either can stop an embryo from implanting.
• Fertility not improving despite normal reports: This one catches people off guard. Normal results, yet no pregnancy. A thin scar band or a small growth can hide from hormone tests and routine ultrasound. On camera, it rarely does.
• Something flagged on a scan: An ultrasound may show a shadow without saying what it is, since a polyp, a fibroid and thickened lining can look alike. A hysteroscopy can, and quite often the growth comes out during that same visit.

The gynecology care page covers other concerns of this kind and how they’re managed.

Here is where direct viewing pays off. A hysteroscopy doesn’t just give clues about what’s there. It shows it.

• Polyps: Overgrowths of lining tissue, some only a few millimetres across. Plenty cause no symptoms at all until bleeding becomes irregular or a pregnancy doesn’t hold. Once seen, a fine instrument usually removes them within the same sitting.
• Fibroids inside the cavity: Only the ones growing inward matter here. A fibroid pressing into the cavity leaves less room for an embryo to settle, which is why pregnancy can become harder. Smaller ones are often cleared through the scope, and the abdomen stays untouched.
• Adhesions or scar tissue: Bands of scar sometimes develop inside the uterus after an infection, a D&C or, less often, a complicated delivery. In severe cases the walls of the cavity stick together. A scan can miss them. The camera rarely does, and the same view guides their release.
• A divided uterus: A septum is present from birth, a wall of tissue partly splitting the cavity. Many women learn of it only after losing a pregnancy more than once. In most cases it can be sorted through the same procedure, without any cuts to the skin.

The state of the uterine lining carries more weight in fertility outcomes than is widely understood. What the scan measurements mean is covered in the endometrial thickness blog.

The visit itself is brief and fairly routine.

• Before you go in: Cycle dates and current medicines are reviewed first, and the doctor outlines what the test is meant to settle. It’s normally booked for just after a period ends, when the lining is thin and the view is clear.
• During the procedure: Once the scope is through the cervix, saline is run in to lift the uterine walls apart, and the picture appears on a monitor. Most diagnostic checks are over in ten to fifteen minutes.
• Immediately after: Some period like cramps and a little spotting are expected for a day or two. After a diagnostic check, going home the same day is routine. Most women are back on their feet by the next morning.
• Risks worth knowing about: Infection and unusually heavy bleeding are the main risks. Both are uncommon. The doctor goes through them before you sign the consent form, along with what to watch for afterwards.

Period pain alongside any of this? Endometriosis is one possible link, and the guide on endometriosis symptoms lists the signs to look for.

A hysteroscopy gives a doctor a direct view of the uterus without any cut. Bleeding that returns, repeated pregnancy loss, IVF cycles that haven’t worked and scans with open questions are the usual reasons for one. The test itself is quick, and most people are back to normal within a day or two.

Disclaimer: This blog is for educational and informational purposes only and should not be considered professional advice.