In order for a normal pregnancy to
occur, at least one healthy patent tube is required. Each tube forms a
passage from the uterus to the ovary. The tubes are lined with many specialised
cells. Some of these bear little hairs called cilia that set up currents
to facilitate the movement of the sperm towards the egg in order that fertilisation
may occur. A current in the opposite direction combined with tubal movements
conducts the early embryo towards the uterus.
Can this surgery treat
all tubal obstruction cases
The causes of tubal obstruction were
discussed in the section on tubal patency. Surgery is done to unblock the
tubes. However, if the infection that caused the obstruction in the tubes
was very severe, the delicate lining of the tubes may have become irreversibly
What is the success
rate of this surgery
Pregnancy success rates can be higher
than 70% in cases of sterilisation reversal and when there are only fine
adhesions distorting the tubes or covering the ovaries. Also with advances
in surgical techniques, the introduction of the operating microscope, the
use of finer instruments and non-reactive suture materials the success
rate of surgery has improved greatly. Apart from the essential requirement
of surgical skill, another factor that will affect the success rate will
be the degree of the tubal problem.
Are there any risks
to this surgery
Tubal surgery can result in an increased
risk of a tubal (ectopic) pregnancy. It must be remembered that even if
the success rate is as low as 30% for the more severe cases of tubal obstruction,
this is still better than the success rate of in-vitro fertilisation.
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- The Indiaparenting Team