SYMPTOMS OF BLOCKED FALLOPIAN TUBES

The fallopian tubes are two thin tubes, one on each side of the uterus, which help lead the mature egg from the ovaries to the uterus. When an obstruction prevents the egg from traveling down the tube, a woman has a blocked fallopian tube, also known as tubal factor infertility. This can occur on one or both sides and is the cause of infertility in 40 percent of infertile women.

It’s unusual for women with blocked fallopian tubes to experience any symptoms. Many women assume that if they are having regular periods, their fertility is fine. This isn’t always true.

HOW DO BLOCKED FALLOPIAN TUBES CAUSE INFERTILITY?

Each month, when ovulation occurs, an egg is released from one of the ovaries. The egg travels from the ovary, through the tubes, and into the uterus. The sperm also need to swim their way from the cervix, through the uterus, and through the fallopian tubes to get to the egg. Fertilization usually takes place while the egg is traveling through the tube.

If one or both fallopian tubes are blocked, the egg cannot reach the uterus, and the sperm cannot reach the egg, preventing fertilization and pregnancy.

It’s also possible for the tube not to be blocked totally, but only partially. This can increase the risk of a tubal pregnancy, or ectopic pregnancy.

WHAT ARE THE SYMPTOMS OF BLOCKED FALLOPIAN TUBES?

Unlike anovulation, where irregular menstrual cycles may hint to a problem, blocked fallopian tubes rarely cause symptoms.

A specific kind of blocked fallopian tube called hydrosalpinx may cause lower abdominal pain and unusual vaginal discharge, but not every woman will have these symptoms. Hydrosalpinx is when a blockage causes the tube to dilate (increase in diameter) and fill with fluid. The fluid blocks the egg and sperm, preventing fertilization and pregnancy.

However, some of the causes can lead to other problems. For example, endometriosis and pelvic inflammatory disease may cause painful menstruation and painful sexual intercourse, but these symptoms don’t necessarily point to blocked tubes.

WHAT CAUSES BLOCKED FALLOPIAN TUBES?

The most common cause is pelvic inflammatory disease (PID). PID is the result of a sexually transmitted disease, but not all pelvic infections are related to STDs. Also, even if PID is no longer present, a history of PID or pelvic infection increases the risk of blocked tubes.

OTHER POTENTIAL CAUSES OF BLOCKED FALLOPIAN TUBES INCLUDE:

• Current or history of an STD infection, specifically chlamydia or gonorrhea
• History of uterine infection caused by an abortion or miscarriage
• History of a ruptured appendix
• History of abdominal surgery
• Previous ectopic pregnancy
• Prior surgery involving the fallopian tubes
• Endometriosis

 

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