Blocked or damaged fallopian tubes can affect fertility by making it more difficult for sperm and an egg to meet and for natural fertilisation to occur. The impact can vary depending on whether one or both tubes are affected and the extent of the blockage or damage. Understanding the underlying cause and how the condition affects fertility can help guide appropriate evaluation and treatment.

Fallopian tubes can become blocked or damaged due to a range of medical conditions and previous procedures. Common causes include:

• Inflammation (Salpingitis): Inflammation of the fallopian tubes, often associated with pelvic infections, can cause scarring and narrowing that may lead to partial or complete blockage.

Often caused by sexually transmitted infections (STIs), particularly gonorrhea or chlamydia.

• Congenital Issues

Some women are born with abnormalities of the fallopian tubes that may affect their structure or function and, in some cases, contribute to blockage or difficulties with natural conception.

• Surgical Interventions

he fallopian tubes may be intentionally blocked as a form of permanent contraception (tubal sterilisation) or may be damaged unintentionally during abdominal or pelvic surgery, including some bowel procedures.

• Endometriosis and Adhesions

Endometriosis and pelvic adhesions can cause inflammation and scarring that may distort, narrow, or block the fallopian tubes, potentially affecting natural conception.

• Hydrosalpinx: A condition in which a fallopian tube becomes blocked and fills with clear or watery fluid, often as a result of previous infection, inflammation, or scarring. It can affect fertility and may influence the choice of fertility treatment.
• Pyosalpinx: A condition in which a fallopian tube becomes filled with pus due to infection and inflammation. It may require medical treatment and, in more severe cases, surgical management.

If you are under 35 and have been trying to conceive for 12 months without success, or aged 35 or older and have been trying for six months without success, a fertility assessment may be recommended. Earlier evaluation may also be appropriate if you have known or suspected fertility factors, such as blocked fallopian tubes, irregular periods, or a history of pelvic infection or surgery. Diagnostic methods may include:

• Hysterosalpingogram (HSG): An X-ray procedure in which contrast dye is passed through the uterus and fallopian tubes to assess whether the tubes are open or blocked.
• Ultrasound and Laparoscopy: Ultrasound may be used to assess the reproductive organs and, in some cases, identify conditions associated with tubal blockage. Laparoscopy is a minimally invasive surgical procedure that allows a specialist to examine the pelvic organs and fallopian tubes directly and identify blockages, scarring, or other abnormalities.

Treatment options for blocked or damaged fallopian tubes depend on the location and severity of the blockage, as well as other factors affecting fertility. Options may include:

• Surgical Procedures: Laparoscopic surgery may be considered in selected cases to treat conditions such as scar tissue, adhesions, or certain types of tubal blockage. Suitability depends on the location and extent of the damage and the individual’s fertility circumstances.
• Assisted Reproductive Technologies (ART): IVF (In Vitro Fertilisation) can bypass the fallopian tubes by fertilising the egg in a laboratory and transferring the resulting embryo directly into the uterus. ICSI (Intracytoplasmic Sperm Injection) may be used alongside IVF when indicated, particularly when male-factor infertility is also present.

Get all your questions answered and receive guidance on your next steps from our Fertility team.

Understanding the role of the fallopian tubes in fertility and how blockages can affect conception can help couples make informed decisions about their fertility care. At Genea Thailand, our fertility specialists provide comprehensive fertility assessments and discuss appropriate treatment options, including IVF and ICSI, based on each patient’s individual circumstances.

If you have concerns about infertility, blocked fallopian tubes, or fertility preservation such as egg freezing, our fertility team can provide personalised guidance and help you understand the treatment options available to you.