Tubal blockage and Infertility ....3

Tubal blockage and Infertility ....3

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5...  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.

6...  Treatment of tubal factor infertility
The two main treatments for tubal factor infertility are surgical and nonsurgical procedures to repair the damaged tube(s). If these attempts fail, IVF can be done to achieve pregnancy.
There are several ways to repair a tube, including:
  • Tubal cannulation involves inserting a catheter guided by a wire and attached to a balloon into the fallopian tubes in order to unblock them. This option is an outpatient procedure. Tubal cannulation should only be done if an imaging test shows a proximal blockage in one or both fallopian tubes.
  • Fimbrioplasty is a laparoscopic procedure that rebuilds the fimbriae, or finger-like ends of the fallopian tube, by sewing the fimbriae back together. This option is only a good choice for patients with minimal distal tubal blockage.
  • Salpingectomy refers to the surgical removal of the damaged or diseased fallopian tube.
  • Salpingostomy refers to the the surgical creation of an opening into the fallopian tube, often to remove an ectopic pregnancy.  However, the tube itself is not removed in the procedure.
As success rates have improved over the past few years, IVF has become a mainstay treatment for tubal factor infertility. Instead of attempting to repair, the physician will avoid surgery and the problem of tubal damage altogether. The success rates of IVF for tubal factor infertility are usually good in women younger than age 39 because these women are unlikely to have other infertility problems.


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