Hysteroscopy

Hysteroscopy is a procedure that lets a clinician look directly inside the uterus using a thin, lighted instrument called a hysteroscope. It is commonly used to investigate abnormal uterine bleeding, evaluate infertility or recurrent miscarriage, and diagnose or treat problems inside the uterine cavity such as polyps, fibroids, adhesions, or a uterine septum. For men researching fertility, hysteroscopy matters because female-partner uterine health can affect implantation, pregnancy success, and the broader fertility workup.

What Is Hysteroscopy?
Why Hysteroscopy Matters in Fertility
Types of Hysteroscopy
When It Is Recommended
What Hysteroscopy Can Find
How the Procedure Works
Preparation and Recovery
Normal vs Abnormal Findings
Risks and Complications
Hysteroscopy vs Other Tests
Questions to Ask Your Doctor
Common Myths
FAQs
References

Key Takeaways

Hysteroscopy is a way to see inside the uterus in real time.
It can be diagnostic, operative, or both in the same session.
Common reasons include abnormal bleeding, infertility, recurrent pregnancy loss, and suspected uterine abnormalities.
It may identify polyps, fibroids, scar tissue, retained tissue, or congenital uterine changes that other imaging can miss.
In fertility care, it can help clarify whether the uterine cavity is suitable for embryo implantation.
Many hysteroscopies are done as outpatient procedures, sometimes even in the office.
Mild cramping and light spotting can happen afterward, but serious complications are uncommon.

What Is Hysteroscopy?

Hysteroscopy is a minimally invasive procedure used to examine the inside of the cervix and uterus. A hysteroscope, which is a thin tube with a camera and light, is passed through the vagina and cervix into the uterus. This gives the clinician a direct view of the uterine cavity without making abdominal incisions.

Unlike an ultrasound, which creates an image from outside the cavity, hysteroscopy shows the inside of the uterus directly. That makes it especially useful when doctors need to confirm a suspected structural issue or treat a problem at the same time. Major medical centers including the Cleveland Clinic overview of hysteroscopy and the American College of Obstetricians and Gynecologists (ACOG) describe it as both a diagnostic and therapeutic procedure.

In plain English: hysteroscopy is one of the clearest ways to check whether the inside of the uterus looks normal and, if not, whether the problem can be fixed.

Why Hysteroscopy Matters in Fertility

Even though hysteroscopy is not a male test, it is highly relevant in couples fertility care. Pregnancy depends on more than sperm quality. A healthy uterine cavity is important for embryo implantation and early pregnancy development. If there is a polyp, fibroid distorting the cavity, uterine scar tissue, or congenital abnormality, fertilization may still occur, but implantation or pregnancy continuation can be affected.

That is why hysteroscopy often comes up during infertility workups, especially when there has been:

Difficulty conceiving despite otherwise reassuring testing
Repeated IVF implantation failure
Recurrent miscarriage
Abnormal uterine bleeding
Suspicious findings on ultrasound or saline sonogram

Clinical guidance from organizations such as NICE guidance on heavy menstrual bleeding and fertility-focused literature indexed in PubMed supports hysteroscopy as an important tool when a uterine cavity problem is suspected.

For a male reader, the practical point is this: if you and your partner are trying to conceive, a normal semen analysis does not rule out a uterine factor. Hysteroscopy may provide answers that standard fertility testing does not fully capture.

Types of Hysteroscopy

Diagnostic hysteroscopy

This is done to inspect the uterine cavity and identify abnormalities. It may be recommended after an abnormal ultrasound, infertility evaluation, recurrent pregnancy loss, or unexplained bleeding.

Operative hysteroscopy

This includes treatment during the procedure. Small instruments can be passed through the hysteroscope to remove polyps, cut scar tissue, resect a uterine septum, or treat certain fibroids.

Office hysteroscopy vs hospital-based hysteroscopy

Some hysteroscopies are done in a clinic setting with minimal anesthesia. Others are performed in an operating room, especially when a more complex treatment is planned or patient comfort requires deeper sedation.

Combined diagnostic and operative hysteroscopy

In many cases, a procedure starts as diagnostic and becomes operative if a correctable issue is found. Whether this is possible depends on the equipment, setting, and planned consent.

When It Is Recommended

Hysteroscopy may be recommended for several common reasons. These include:

Abnormal uterine bleeding, including heavy or irregular periods
Bleeding after menopause
Suspected endometrial polyps
Submucosal fibroids or fibroids that may distort the uterine cavity
Intrauterine adhesions, also called Asherman syndrome
Retained products of conception
Evaluation of infertility
Recurrent miscarriage
Suspected uterine septum or other structural anomaly
Removal of a displaced intrauterine device in some cases

According to the NHS overview of hysteroscopy, it may also be used when imaging suggests something abnormal inside the womb but the diagnosis is not yet certain.

What Hysteroscopy Can Find

One of the main advantages of hysteroscopy is that it can reveal whether the inside of the uterus is normal or affected by a structural problem.

Common findings include:

Endometrial polyps: overgrowths of the uterine lining that may contribute to abnormal bleeding and may affect fertility in some situations.
Submucosal fibroids: fibroids that bulge into the uterine cavity and can interfere with bleeding patterns or implantation.
Intrauterine adhesions: scar tissue inside the uterus, sometimes linked to prior surgery, infection, or retained pregnancy tissue.
Uterine septum: a congenital partition inside the uterus that may be associated with pregnancy loss.
Endometrial changes: areas that look inflamed, irregular, or otherwise abnormal and may need biopsy.
Retained tissue: tissue remaining after pregnancy, miscarriage, or delivery.

Direct visualization can sometimes outperform imaging alone for defining intracavitary pathology. This is one reason hysteroscopy is often considered the reference standard for assessing the uterine cavity in selected patients.

How the Procedure Works

The basic process is usually straightforward, though the exact steps can vary by clinic and by whether treatment is planned.

The patient lies in an exam or procedure position similar to a pelvic exam.
A speculum may be inserted to visualize the cervix.
The cervix may or may not need gentle dilation.
The hysteroscope is passed through the cervix into the uterus.
Fluid, usually saline, is used to expand the uterine cavity so the lining can be seen clearly.
The clinician inspects the uterine walls, fundus, and tubal openings.
If needed, tools can be used to biopsy tissue or treat a problem.
After the procedure, the scope is removed and the patient is monitored briefly.

Some people feel only mild cramping, while others need pain control or sedation. ACOG notes that office hysteroscopy is feasible for many patients, but pain experience varies and procedure planning should be individualized: ACOG Committee Opinion on hysteroscopy for diagnosis and treatment of intrauterine pathology.

Preparation and Recovery

How to prepare

Ask whether the procedure is diagnostic only or if treatment may be done at the same time.
Clarify whether you need local anesthesia, oral pain medication, sedation, or general anesthesia.
Follow instructions about eating or drinking if sedation is planned.
Tell the clinician about pregnancy possibility, medications, bleeding disorders, or allergies.
Ask whether the timing in the menstrual cycle matters. In many cases, hysteroscopy is easier to interpret shortly after menstruation ends.

What recovery is usually like

Many patients go home the same day. Mild cramping, watery discharge, or light spotting can occur for a short time. Depending on the procedure, the clinician may advise avoiding intercourse, tampons, or swimming for a brief period.

Contact a clinician promptly for heavy bleeding, severe pain, fever, fainting, or foul-smelling discharge.

Normal vs Abnormal Findings

Hysteroscopy does not use a numeric normal range like a blood test. Instead, the result is based on what the inside of the uterus looks like.

What is considered normal?

A smooth uterine cavity without masses or scar tissue
No obvious polyps or cavity-distorting fibroids
No visible septum or major structural irregularity
Normal-appearing endometrial lining for the menstrual cycle phase
Tubal openings visible in expected positions

What is considered abnormal?

Polyps, fibroids, adhesions, septum, retained tissue, or suspicious lesions
Irregular or inflamed-appearing endometrium
Obstruction or distortion of the cavity
Findings that suggest the need for biopsy or surgical treatment

Finding	What It May Mean	Possible Next Step
Normal cavity	No obvious structural uterine cause identified	Continue broader fertility or bleeding evaluation if needed
Endometrial polyp	Benign overgrowth of lining tissue; may cause bleeding or affect implantation in some cases	Polypectomy or biopsy
Submucosal fibroid	Fibroid projecting into the cavity; may contribute to bleeding or fertility issues	Hysteroscopic myomectomy in selected cases
Intrauterine adhesions	Scar tissue that may alter bleeding or impair fertility	Adhesiolysis and follow-up management
Uterine septum	Congenital partition associated with some adverse reproductive outcomes	Specialist assessment and possible septum resection
Suspicious lesion	Needs closer evaluation; cause can vary	Targeted biopsy or further testing

Risks and Complications

Hysteroscopy is generally considered safe, but like any procedure it carries risks. The exact risk depends on whether it is purely diagnostic or includes treatment.

Cramping and temporary discomfort
Light bleeding or spotting
Infection
Reaction to anesthesia or medications
Uterine perforation, which is uncommon but important
Fluid overload or electrolyte disturbance in some operative procedures
Cervical injury, though this is not common

ACOG and major hospital systems emphasize that serious complications are uncommon, especially in straightforward office-based diagnostic procedures, but they can occur. See the ACOG patient FAQ on hysteroscopy and the NHS patient guidance for practical safety information.

Hysteroscopy vs Other Tests

Hysteroscopy is one tool among several used to evaluate the uterus. It is often compared with ultrasound, saline infusion sonography, hysterosalpingography, and laparoscopy.

Test	What It Evaluates	Main Strength	Main Limitation
Transvaginal ultrasound	Uterus and ovaries	Widely available, noninvasive, good first-line test	May miss or poorly define some intracavitary lesions
Saline infusion sonography	Uterine cavity with fluid contrast	Better cavity detail than standard ultrasound	Still indirect imaging rather than direct visualization
Hysterosalpingography (HSG)	Uterine cavity shape and fallopian tube patency	Useful in infertility workup, especially tubes	Does not directly inspect or treat the uterine lining
Hysteroscopy	Inside of the uterus	Direct visualization and possible treatment in one procedure	More invasive than imaging alone
Laparoscopy	Outside of uterus, pelvis, ovaries, endometriosis, adhesions	Evaluates pelvic anatomy not seen by hysteroscopy	Does not inspect inside the uterine cavity

In fertility care, these tests are often complementary rather than interchangeable. For example, an HSG helps assess whether the fallopian tubes are open, while hysteroscopy is better for directly inspecting and treating lesions inside the uterine cavity.

Questions to Ask Your Doctor

Why are you recommending hysteroscopy in this case?
Is this procedure diagnostic, operative, or potentially both?
What problem are you most concerned about finding?
Will I need sedation or anesthesia?
What are the benefits and the main risks for me?
If something abnormal is found, can it be treated right away?
How might the findings affect fertility, miscarriage risk, or IVF planning?
How long is recovery, and when can normal activity resume?
Will I need a biopsy, and when will results come back?
Are there alternatives such as ultrasound, saline sonogram, or HSG?

Common Myths

Myth: Hysteroscopy is the same as a Pap smear.

It is not. A Pap smear screens cervical cells. Hysteroscopy looks inside the uterus.

Myth: It is only used when someone has cancer.

No. Most hysteroscopies are done for benign reasons such as abnormal bleeding, infertility, polyps, fibroids, or scar tissue.

Myth: If the semen analysis is normal, uterine testing is unnecessary.

False. Fertility depends on both partners and on successful implantation. A normal semen analysis does not rule out a uterine factor.

Myth: Hysteroscopy always requires major surgery.

Not usually. Many are done as outpatient procedures, and some are performed in the office.

Myth: A normal ultrasound means hysteroscopy will never find anything.

Ultrasound is useful, but direct visualization can sometimes detect or clarify intracavitary abnormalities that imaging alone does not fully define.

FAQs

Is hysteroscopy painful?

Discomfort varies. Some people feel mild cramping similar to a period, while others need stronger pain control or sedation. The setting, cervical anatomy, and whether treatment is performed all matter.

How long does a hysteroscopy take?

A simple diagnostic hysteroscopy may take only a short time, while an operative procedure can take longer depending on what needs to be treated.

Can hysteroscopy improve fertility?

It does not improve fertility on its own in every case, but treating certain uterine problems found during hysteroscopy, such as polyps, adhesions, septum, or cavity-distorting fibroids, may improve the chance of implantation or ongoing pregnancy in selected patients.

Is hysteroscopy done during IVF workup?

Sometimes. It may be used before IVF when there is abnormal bleeding, a concerning ultrasound, recurrent implantation failure, or suspected intracavitary pathology.

What is the difference between hysteroscopy and HSG?

Hysteroscopy directly views the inside of the uterus and can often treat problems at the same time. HSG is an X-ray test that outlines the uterine cavity and checks whether the fallopian tubes are open.

Can hysteroscopy detect endometriosis?

Not reliably. Endometriosis usually affects areas outside the uterine cavity, so laparoscopy is the procedure more closely associated with diagnosing it.

When should someone call a doctor after hysteroscopy?

Call if there is heavy bleeding, fever, severe or worsening pain, fainting, trouble breathing, or foul-smelling discharge.

Does a normal hysteroscopy rule out all fertility problems?

No. It can rule out many intracavitary uterine issues, but fertility can also be affected by ovulation disorders, tubal disease, egg quality, sperm factors, endometriosis, hormonal issues, and more.