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Blocked Fallopian Tubes - Know Different Types Of It!

Written and reviewed by
MBBS, MD - Obstetrics & Gynaecology
Gynaecologist, Nagpur  •  34 years experience
 Blocked Fallopian Tubes - Know Different Types Of It!

It's said that blocked fallopian tubes is the most common cause of female infertility in about 40% women who are infertile. Fallopian tubes are channels through which the egg travels to reach the uterus and blockage of these tubes can put a stop to this from taking place. Depending on the different parts of the tubes, this form of blockage is of several types.

What are the different types of fallopian tube blockages?

1. Proximal tubal occlusion

This form of fallopian tube blockage involves the isthmus (an area of about 2 cm long, this part of the fallopian tube connects the infundibulum and ampulla to the uterus). This problem occurs after an illness like complications associated with abortion, cesarean section, PID (pelvic inflammatory disease).

2. Mid-segment tubal obstruction

It occurs in the ampullary section of the fallopian tube and is most frequently a result of tubal ligation damage. The procedure of tubal ligation is performed to put a stop to pregnancy permanently.

3. Distal tubal occlusion

This is a kind of blockage wherein the section of the fallopian tube that is close to the ovary is affected and is commonly associated with a condition known as hydrosalpinx (a condition in which the fallopian tube is filled with fluid). The latter is often brought on by Chlamydia infection, leading to fallopian tube and pelvic adhesions.

The conditions that may give rise to this problem can include:

1. Genital tuberculosis (the TB infection that occurs in the genital tract)
2. Ectopic pregnancy (pregnancy in which the embryo places itself outside the uterus)
3. Tubal ligation removal
4. Complications related to surgery of the lower abdomen
5. Pelvic inflammatory disease (PID)
6. Uterine fibroids (benign growths that occur in the uterus)
7. Endometriosis (development of uterine tissue outside of the organ)

These disorders can lead to the development of scar tissue, adhesions, polyps or tumors to form inside the pathway. Additionally, the tubes can also get stuck to other body parts such as the ovaries, bladder, uterus and bowels. Two things can happen to the fallopian tubes, either they can become twisted or the tubes walls may stick together, leading to a complete blockage. Moreover, even if the fallopian tubes are partially damaged, they can remain open so as to enable pregnancy to occur, while increasing your risk for ectopic pregnancy.
 

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