What is ovarian drilling
and how does it work?
In women with PCOS ovulation
doesn’t occur regularly and usually they have ovaries with a thick outer layer.
The ovaries make more testosterone, the male type of hormone. High testosterone
levels lead to irregular menstrual periods, acne, and extra body hair.
Ovarian drilling is done to break the thick outer surface and destroy
some of the testosterone producing tissue made by the ovaries. This can help
the ovaries release an egg each month and start regular monthly menstrual
cycles. This may reduce symptoms of excess testosterone
How ovarian drilling is done?
A minimally invasive surgery called laparoscopy is used for ovarian
drilling. A thin, lighted telescope (laparoscope) is put through a small
surgical cut (incision) near the umbilicus. A tiny camera is used to see the
ovaries. The surgeon inserts tools through other tiny incisions in the lower
belly and makes very small holes in the ovaries. This helps to lower the amount
of testosterone made by the ovaries.
What are the benefits of ovarian
drilling?
About 50% of women get pregnant
in the first year after surgery. Some women still may not have regular cycles
after the surgery. Others may have other fertility problems (such as blocked
tubes or a low sperm count) that can prevent pregnancy. Some women after a
short period of regular ovulation may go back to previous irregular cycles.
For some women with PCOS, ovarian drilling will not fix the problems
with irregular periods and ovulation, even temporarily. However, ovarian
drilling can help a woman respond better to fertility medicines.
What are the risks of ovarian drilling?
There are certain risks of the surgery done for ovarian drilling .
Some of the risks are related to surgery. As with all surgical
procedures, there are risks of bleeding, anaesthesia, and infection. Also,
laparoscopy can cause injury to the bowel, bladder, and blood vessels. Very
rarely, there is a risk of death.
There are also risks to fertility. If there is too much damage to the
ovary during the ovarian drilling procedure, a woman may enter menopause at a
younger age than expected. After the procedure, adhesions (scarring) can form
between the ovaries and the fallopian tubes, making it hard to get pregnant. Most
important in many women the beneficial effects are for too short period and
they immediately go back to the previous status.
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