Hydrosalpinx is a condition in which a fallopian tube becomes blocked and fills with fluid. Some women have pelvic pain or other symptoms, but many have no obvious signs at all. As a result, hydrosalpinx is often discovered during an infertility evaluation or an imaging test performed for another reason.
The condition can affect one fallopian tube or both. Its impact on fertility depends on factors such as the extent of tubal damage, whether the other tube is healthy, and whether assisted reproductive treatment such as IVF is being considered.
This guide explains what hydrosalpinx is, what causes it, its possible symptoms, how doctors diagnose it, and how treatment may affect natural pregnancy and IVF outcomes.
What Is Hydrosalpinx?
A blockage caused by fluid buildup in one or both fallopian tubes is known as hydrosalpinx or blockage of the fallopian tubes. To define hydrosalpinx in simple terms, it is a fluid-filled, blocked fallopian tube that interferes with normal fertility and is considered one of the important infertility causes.
The fallopian tubes play an important role in natural conception. They provide the usual site where the egg and sperm meet and help transport the early embryo toward the uterus. When a tube is significantly damaged or blocked, its normal function can be impaired.
- Unilateral hydrosalpinx: affects one fallopian tube
- Bilateral hydrosalpinx: affects both fallopian tubes
Some women with hydrosalpinx have no symptoms. Others may experience pelvic discomfort or pain. Because the condition is not always obvious, it is commonly identified during fertility testing.
The most appropriate treatment depends on the condition of the tubes, the patient’s fertility goals, and whether natural conception or IVF is being considered.
Symptoms of Hydrosalpinx
Hydrosalpinx does not always cause noticeable symptoms. In fact, some women only learn they have the condition after undergoing an infertility evaluation.
Possible symptoms include:
- Persistent or occasional pelvic pain
- A dull ache or pressure in the lower abdomen, sometimes more noticeable on one side
- Pain during sexual intercourse
- Unusual vaginal discharge may occur when an active pelvic infection is present, but it is not a typical symptom of hydrosalpinx itself.
- Difficulty conceiving despite regular unprotected intercourse (often the reason for fertility testing)
These symptoms can also occur with other gynecological conditions, so imaging is needed for diagnosis.
Imaging tests such as hysterosalpingography (HSG) and ultrasound are commonly used to confirm the diagnosis.
What Causes Hydrosalpinx?
Hydrosalpinx usually develops after damage to a fallopian tube. As scar tissue blocks the tube, fluid becomes trapped inside, causing it to stretch and lose its normal function over time.
The most common causes of hydrosalpinx include pelvic infections, endometriosis, previous pelvic surgery, and ectopic pregnancy.
PID & Sexually Transmitted Infections (STIs)
Pelvic inflammatory disease (PID), which may result from untreated sexually transmitted infections such as chlamydia or gonorrhea, is one of the most common causes of hydrosalpinx.
Even after the infection has been treated, scarring may remain. This scar tissue can narrow or block a fallopian tube and, in some cases, lead to hydrosalpinx.
Because PID may cause few symptoms, tubal damage can sometimes remain unnoticed for years and only become apparent during fertility testing.
Endometriosis
Endometriosis can cause inflammation and scar tissue in the pelvis. Adhesions around the fallopian tubes may interfere with their normal function or contribute to blockage.
When hydrosalpinx is associated with endometriosis, fertility planning may need to address both the tubal condition and the underlying endometriosis.
Previous Pelvic or Abdominal Surgery
Surgery involving the pelvis or abdomen can occasionally lead to adhesions. Depending on their location and severity, these adhesions may affect the fallopian tubes.
Examples may include previous surgery involving the uterus, ovaries, fallopian tubes, or other pelvic organs.
Ectopic Pregnancy
A previous ectopic pregnancy can damage a fallopian tube. If the injury is severe, the tube may later become blocked and develop hydrosalpinx.
Can Hydrosalpinx Affect Fertility?
Yes. Hydrosalpinx can reduce the chances of natural conception, although the effect varies from person to person.
If only one fallopian tube is affected and the other tube is functioning normally, natural pregnancy may still be possible. The likelihood depends on the condition of the remaining tube as well as other factors, including ovulation, age, egg quality, sperm health, and the presence of other fertility conditions.
When both fallopian tubes are blocked, natural conception is generally not possible without treatment to restore tubal passage, because the egg and sperm cannot normally meet in the fallopian tubes.
Hydrosalpinx can also be important when IVF is being considered. Fluid from a damaged fallopian tube may sometimes flow back toward the uterine cavity. Significant hydrosalpinx has been associated with poorer IVF outcomes, including reduced implantation and pregnancy rates.
For this reason, fertility specialists may recommend treating a clinically significant hydrosalpinx before IVF. The decision is individual and depends on factors such as the size and appearance of the hydrosalpinx, whether one or both tubes are affected, the severity of tubal damage, and the patient’s overall fertility history.
If you are exploring IVF in Iran, a fertility specialist can evaluate your condition and explain whether treatment before IVF may be appropriate for you.
How does hydrosalpinx affect my body?
It is possible for a fallopian tube to become swollen and filled with fluid when the end portion is damaged or blocked; this condition is known as a hydrosalpinx (or adnexal hydrosalpinx when seen near the ovary). With hydrosalpinx the tube may become seriously damaged and malfunction, making a typical pregnancy in the uterus impossible.
One potentially fatal condition is an ectopic pregnancy, which develops in the tube. A pregnancy cannot implant into the uterus if the tube is blocked because secretions that build up there could backflow into the uterus.
How Hydrosalpinx Is Diagnosed
Because hydrosalpinx often causes few or no symptoms, imaging tests are usually needed to confirm the diagnosis.
Doctors generally consider the imaging findings together with your medical history, symptoms, fertility goals, and other test results.
Diagnostic Tests at a Glance
No single test can diagnose every case of hydrosalpinx. Doctors usually combine imaging results with your medical history and fertility goals.
| Test | What It Shows | When It’s Commonly Used |
| Transvaginal Ultrasound | May detect a swollen, fluid-filled fallopian tube | Initial gynecological or fertility evaluation |
| Hysterosalpingography (HSG) | Shows whether the fallopian tubes are open or blocked | Standard fertility assessment |
| HyCoSy | Uses ultrasound and contrast to evaluate tubal patency | Alternative to HSG in some fertility clinics |
| Laparoscopy | Directly examines the fallopian tubes and pelvic organs | When diagnosis remains uncertain, or surgery is planned |
Transvaginal Ultrasound
A transvaginal ultrasound may show a dilated, fluid-filled fallopian tube. It is often used during an initial fertility or gynecological evaluation.
Ultrasound findings can be helpful, although the appearance of the tube and the certainty of the diagnosis may vary.
Hysterosalpingography (HSG)
HSG uses contrast material and X-ray imaging to assess the shape of the uterus and whether the fallopian tubes appear open.
It is commonly used as part of a fertility evaluation. In some cases, the findings may suggest a hydrosalpinx, although further assessment may be needed.
HyCoSy
Some fertility clinics use hysterosalpingo-contrast sonography (HyCoSy), which combines ultrasound with a contrast agent to assess whether the tubes are open. Because it doesn’t involve X-rays, it may be preferred in some cases.
Laparoscopy
Laparoscopy is a minimally invasive surgical procedure that allows a doctor to examine the fallopian tubes and other pelvic organs directly.
It may be considered when imaging results are unclear or when surgery is already being planned for another reason. Unlike imaging alone, laparoscopy may also allow certain pelvic conditions to be treated during the same procedure.
Treatment Options for Hydrosalpinx
A hydrosalpinx diagnosis does not automatically mean that the same treatment is right for everyone. Instead, your fertility specialist considers several factors before recommending the most appropriate approach, including:
- Whether you’re trying to conceive now or in the future
- Whether one or both fallopian tubes are affected
- The severity of tubal damage
- Your age and ovarian reserve
- The presence of endometriosis or other fertility conditions
- Previous pregnancies and fertility treatments
Choosing the Right Hydrosalpinx Treatment
| Treatment | Best Suited For | Key Consideration |
| Antibiotics | Active pelvic infection | Treats infection but cannot reverse existing tubal damage |
| Salpingectomy | Severe hydrosalpinx | Often considered before IVF when a significant hydrosalpinx is present, particularly when the tube is severely damaged. |
| Tubal Occlusion | Selected IVF patients | Prevents fluid from reaching the uterus without removing the tube |
| Tubal Reconstruction | Carefully selected women with limited damage | Success depends on the condition of the remaining healthy tissue |
| Salpingostomy | Selected cases with limited tubal damage | May not be suitable when tubal damage is severe or when IVF is the preferred option. |
Can Antibiotics Cure Hydrosalpinx?
Antibiotics can treat an active pelvic infection, but they generally cannot reopen a fallopian tube that has become blocked by established scar tissue.
This distinction is important. If an infection is currently present, treating it promptly may help prevent additional damage. However, existing structural damage caused by scarring usually requires a separate treatment approach.
Do Natural Remedies Work for Hydrosalpinx?
Some sources claim that herbal supplements or natural treatments can reopen blocked tubes. While lifestyle choices can support general reproductive health, there is currently no proven method to reopen a fallopian tube blocked by scar tissue.
A healthy lifestyle remains important for overall reproductive health, but it shouldn’t replace medical evaluation or evidence-based treatment.
Hydrosalpinx and IVF
Patients undergoing IVF may discover hydrosalpinx during their fertility assessment. However, identifying and addressing the condition before treatment may help create a more favorable environment for embryo implantation.
Research has shown that untreated hydrosalpinx may negatively affect IVF outcomes because fluid from the damaged tube can interfere with embryo implantation.
This doesn’t mean every woman with hydrosalpinx needs surgery before IVF. The decision depends on factors such as the size of the hydrosalpinx, whether one or both tubes are affected, previous fertility treatments, and your overall reproductive health.
If treatment is recommended before IVF, your fertility specialist will explain which approach is most appropriate and how it may improve your chances of a successful pregnancy.
If you are considering fertility treatment in Iran, speaking with a fertility specialist before traveling can help you understand your diagnosis, treatment options, and the steps involved in your care.
When Should You See a Fertility Specialist?
You don’t need to wait until you’ve been trying to conceive for years before seeking medical advice.
Consider scheduling a fertility evaluation if you:
- Have been trying to conceive for 12 months without success (or for 6 months if you’re 35 or older)
- Have been diagnosed with hydrosalpinx
- Have a history of pelvic inflammatory disease or sexually transmitted infections
- Have experienced an ectopic pregnancy
- Have been diagnosed with endometriosis
- Have persistent pelvic pain or recurrent pelvic infections
- Are planning IVF and want to understand whether treatment is recommended beforehand
A fertility evaluation looks beyond the fallopian tubes. Your doctor may also assess ovarian reserve, hormone levels, uterine health, and your partner’s fertility to develop a treatment plan tailored to your situation.
Conclusion
Although hydrosalpinx can make conception more challenging, it does not mean pregnancy is impossible. The right treatment approach depends on factors such as the extent of tubal damage, fertility goals, and overall reproductive health.
For international patients considering fertility treatment abroad, TebMedTourism supports international patients by helping them review fertility options, connect with specialists, and understand the treatment process before traveling. Patients exploring IVF treatment in Iran can receive guidance on fertility options, specialist consultations, and the steps involved before traveling.
Medical References
- American Society for Reproductive Medicine (ASRM). In Vitro Fertilization (IVF): A Guide for Patients.
- American College of Obstetricians and Gynecologists (ACOG). Hysterosalpingography.
- Cleveland Clinic. Hydrosalpinx.
- Centers for Disease Control and Prevention (CDC). Pelvic Inflammatory Disease (PID).
- Peer-reviewed systematic reviews and clinical studies on hydrosalpinx, tubal disease, and assisted reproductive outcomes.
One Response
I did HSG test and results says tubal blockage/ hydrosalpinx