The Fallopian Tube blockages happen mainly at three places:
Types of Blockages:
The types of Fallopian tubes blockages are variable. As the Fallopian tubes have different sections and are a tube, each section has been given a name. Any of its parts may get blocked. The infertility specialists are generally aware of the diseases/trauma pattern and know what can affect a particular section of the tubes more than other parts.
- Proximal tubal blockage affects the isthmus. This may happen because of infection and other complications arising from abortion, silent miscarriage, C-Section or Pelvic Inflammatory Disease. The procedures, such as Essure, that are carried to control birth permanently, may also block the isthmus.
- Mid-segment tubal obstruction that happens in the ampullary is quite often because of tubal ligation damage. Tubal ligation is one of the surgical procedures for preventing pregnancy permanently.
Some women, after having a tubal ligation, change their mind at a later stage in their life and want to have the procedure reversed. The tubal ligation reversal is carried out surgically. Nearly 75% women achieve their ability to get pregnant back. Tubal ligation removal has its own implications. There is always the risk of developing more scar tissue above the scar tissue which you had got at the time of going through the tubal ligation process.
- Distal tubal occlusion is another type of obstruction that affects the portion of the Fallopian tube end opening towards the ovary. This kind of obstruction is generally linked with hydrosalpinx.
If Chlamydia or Gonorrhea has been less severe, only fimbriae may get damaged. The fimbriae, as we know, play an important role of sweeping the ovum into the Fallopian tube for fertilizing. In case of the fimbriae malfunctioning, the oocyte will not be able to make it to its targeted destination for fertilization.
Factors that may cause blockage in your Fallopian tubes are:
- Uterine Fibroids
- Ectopic pregnancy
- Pelvic Inflammatory Disease (PID)
- Tubal Ligation Removal
- Lower abdominal surgery like C-section
- Genital Tuberculosis
(Genital tuberculosis are commonly prevalent in some developing countries, like India)
Both Endometriosis and Uterine Fibroid cases among women are on the rise every year. Strangely, nearly 13.6 million women are estimated to be suffering from these in the United States. “The cases of both these growths among women are rising in India as well”, says Dr Deeksha Tyagi, an eminent fertility expert.
Pelvic inflammation is another common problem found in women. Pelvic Inflammatory Disease (PID) is an umbrella phrase for a variety of conditions that cause an inflammatory infection in the female reproductive system.
All these problems may create the Fallopian tube blockage by forming adhesions, tumors, scar tissue or polyps in the passages of the tubes.
The Fallopian tubes also, sometimes, get stuck to the other parts of the internal organs, such as the uterus, bladder, ovaries or bowels, etc. The damaged Fallopian tubes may get twisted and become unshapely or their walls may stick together, thus, causing a total obstruction.
The beginnings of the Fallopian tubes are very thin and get easily blocked because of the conditions mentioned above obstructing the ova from travelling ahead.
The studies on the tubal blockage have revealed that the low progesterone levels, consistent use of fertility drugs and smoking and may alter the Fallopian tubes functioning, increasing the risk of ectopic pregnancy.