Sishu Fertility Clinic

Blocked Fallopian Tubes: Causes, Symptoms, and Treatment

What is a Blocked Fallopian Tube?

A blocked fallopian tube, also known as tubal occlusion, is a condition where one or both of the fallopian tubes are blocked, preventing the egg from traveling from the ovary to the uterus. The fallopian tubes are essential for natural conception, as they are the pathway through which the egg and sperm meet and fertilization occurs.

Anatomy and Function of Fallopian Tubes

The fallopian tubes are two thin tubes, one on each side of the uterus, that connect the ovaries to the uterus. Their primary functions include:

  • Capturing the Egg: After ovulation, the fallopian tube captures the egg released from the ovary.
  • Fertilization Site: The tube provides the site where sperm meets the egg for fertilization.
  • Transport to Uterus: After fertilization, the resulting embryo travels through the fallopian tube to the uterus, where it can implant and develop into a pregnancy.

Causes of Blocked Fallopian Tubes

Several factors can lead to the blockage of fallopian tubes, including:

  • Pelvic Inflammatory Disease (PID): An infection of the reproductive organs, often caused by sexually transmitted infections(STIs), can lead to scarring and blockage.
  • Endometriosis: This condition involves the growth of endometrial tissue outside the uterus, which can cause scarring and block the fallopian tubes.
  • Surgery: Previous surgeries, especially those involving the abdomen or pelvis, can cause adhesions (scar tissue) that may block the tubes.
  • Ectopic Pregnancy: A pregnancy that occurs in the fallopian tube can cause damage and block the tube.
  • Hydrosalpinx: A condition where the fallopian tube is filled with fluid, often due to an infection or injury, leading to blockage.
  • Congenital Defects: Some women are born with abnormalities in their fallopian tubes that can cause blockage.

Symptoms of Blocked Fallopian Tubes

Often, blocked fallopian tubes do not cause symptoms and are only discovered when a woman experiences difficulty conceiving. However, some women may experience:

  • Pain in the Pelvic Area: This can be intermittent or chronic, often associated with conditions like endometriosis.
  • Unusual Vaginal Discharge: Sometimes associated with infections that can cause tubal blockage.
  • Infertility: The inability to conceive after a year of trying is the most common sign.

Test to detect Blocked Fallopian Tubes

Several tests can help diagnose blocked fallopian tubes:

  • Hysterosalpingography (HSG): An X-ray procedure where a dye is injected into the uterus and fallopian tubes to highlight blockages.
  • Ultrasound: Particularly a specialized ultrasound called a saline infusion sonogram (SIS) or sonohysterogram can sometimes detect blockages.
  • Laparoscopy: A surgical procedure where a camera is inserted through a small incision in the abdomen to view the fallopian tubes directly and detect any blockages.

Treatment Options

The treatment for blocked fallopian tubes depends on the cause and severity of the blockage:

  • Laparoscopic Surgery: This minimally invasive surgery can remove blockages, scar tissue, or adhesions.
  • Tubal Cannulation: A procedure where a catheter is used to open a blocked tube.
  • In Vitro Fertilization (IVF): If the tubes are severely damaged or blocked, IVF bypasses the fallopian tubes entirely by fertilizing the egg outside the body and implanting the embryo directly into the uterus.


Blocked fallopian tubes are a common cause of infertility but can often be diagnosed and treated with various medical procedures. Understanding the causes and seeking appropriate medical advice can help manage and potentially overcome the challenges associated with this condition. If you suspect you have blocked fallopian tubes or are having difficulty conceiving, consult with a Gynecologist or fertility expert for a thorough evaluation and personalized treatment options.

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