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One of the most common causes of infertility is damaged fallopian tubes. The most common cause of injury to the fallopian tubes is infection, typically from a Tuberculosis or Sexual Transmitted Diseases. It is not uncommon for a woman to have been infected and not experience any symptoms. The damage may not be discovered until many years later when she unsuccessfully attempts pregnancy.
I was diagnosed with blocked tubes around 12 years back and after trying surgery and 3 IVFs when everything failed, we stopped all treatment. But now after 12 years, I conceived naturally all thanks to you all doctors of Welling Clinics. I feel we wasted last 10-12 years and should have consulted you, doctors, earlier. – Zeenal .M ( Hyderabad )
Diagnosis of Fallopian Tube Blockage
During the infertility evaluation, a hysterosalpingogram (HSG) will usually be performed to evaluate the uterus and fallopian tubes. An HSG usually reveals a blockage of the fallopian tube if in fact a blockage is present. However, it is not uncommon for the fallopian tubes to appear to be patent when they are actually damaged and unable to function properly.
Once ovulation occurs and the egg is released, it is “picked up” by the fallopian tube where it is fertilized. The fallopian tubes must be open and free of obstruction to allow the eggs/embryo to freely pass. Conditions such as endometriosis, scarring from previous surgery or infections, congenital abnormalities, or prior tubal ligation for sterilization can cause tubal obstruction. The HSG fertility test documents that the fallopian tubes are open and unobstructed.
Wonderful news to share with you Dr.Komal. I got HPT positive today. I am pregnant finally after 6 years. I am really thankful to you for treating my blocked tubes within 4 months. – Sheena Joseph, US
What happens in Tubal Blockage?
Tubal damage may stop the ability of the tubes to pick up the eggs, prevent the sperm from reaching the egg and transport the embryos. This will reduce the chances to achieve a pregnancy or prevent this from occurring, depending on how severe the tubal damage is.
The blockage of the tubes is a relevant pathology leading to infertility. If only one tube is blocked we will consider this a subfertility condition as the tube will be unable to properly pick up and transport the egg when ovulation occurs from its side.
A damaged fallopian tube can block this motion and keep the embryo from reaching the womb and may cause ectopic pregnancy, that is pregnancy outside the uterus, which usually leads to abortion.
Complications of Tubal Blockage – Hydrosalpinx
Oftentimes when a fallopian tube is obstructed at the fimbriated end, the fallopian tube can collect fluid and become a hydrosalpinx. This severe form of tubal disease significantly lowers the chance of the patient becoming pregnant – even if the other tube is perfectly normal. Although the exact mechanism whereby the hydrosalpinx decreases the chance for pregnancy remains controversial, many studies have shown that pregnancy rates (even with IVF) in the presence of a hydrosalpinx are reduced by approximately 50%.