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Apr24
Fallopian Tube Block - Causes
What is Fallopian Tube(s)?
Fallopian tubes (commonly called “the tubes”) are the structures that are connected to the both sides of the uterus. Inside the tube, the sperms and the egg meet (“fertilization”) to form the embryo, which then travels down the tubes into the uterus and then the pregnancy starts. Tubal factor accounts for 20-25% cases of female infertility. It’s more common in secondary infertility (women who conceived earlier).

What are the reasons for tubal blockage?
Often, the exact cause is not known. Infection is the commonest cause. The infections may be due to sexually transmitted infection (STI), particularly Chlamydia infection or infection from bowel or appendix. Tuberculosis is very common in our country and can affect the tubes, silently, without affecting any other parts (not even the lungs) of the body. Endometriosis is also a common reason for tubal blockage. Any pelvic surgery (surgery in ovaries, tubes, uterus, even appendix) can block the tubes by “adhesion”. This means the tube may be open but attached to the bowel or rotated on itself, so that the tube cannot pick up the eggs from the ovaries. Sometimes fibroid of uterus can compress the tube and cause blockage. Women, with previous history of ectopic pregnancy, are at risk. Uncommonly, some abnormalities, present since birth can block the tubes.


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