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ore than any other organ in the body, the ovary has the
capacity to form a large number and variety of cysts. In
fact, the ovarian function of producing hormones and
releasing eggs is directly linked to the formation of cysts.
An ovarian cyst is a sac or pouch that develops in or on the
ovary, often during ovulation. The contents of the cyst are
usually liquid, but can also be solid or a mixture of liquid
and solid materials. Although ovarian cysts are usually small
(about the size of a pea or a kidney bean), they can become
the size of a softballor even larger. Large ovarian
cysts are quite remarkable considering that the ovary itself
is only about the size of a walnut.
Ovarian cysts are very common, and
because most of them do result from changes in the normal
function of the ovary, rather than from new
growths or tumors, the vast majority are
noncancerous. Although they are most prevalent in women
of childbearing age, ovarian cysts can occur in girls and
women of all ages, from newborns to the elderly. You can
develop a single cyst or multiple cysts.
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Because there are
many different kinds of ovarian cysts, and because their size
and number may vary, they can cause a variety of symptoms. On
the other hand, many cause no symptoms at all and may first
be discovered during a routine gynecological exam, as your
doctor examines the size and shape of your
ovaries.
Pain
Abdominal pain is
often the first indicator of an ovarian cyst. If the cyst is
large, you may have pain, or a feeling of pressure or
heaviness in the lower abdomen. Ovarian cysts can often bring
on lower abdominal pain during intercourse. Another possible
cause of pain is a process called torsion, in
which the stem that forms on some cysts becomes twisted,
stopping the normal flow of blood and causing intense bursts
of pain. If a cyst ruptures, this too can cause severe lower
abdominal pain along with weakness, nausea and vomiting. Any
of these pains may be severe enough to bring you to the
emergency room or to your doctor, and may be the first time
you learn you have a cyst.
Cysts can cause
other, less daunting symptoms. For example, a cyst can press
on the rectum, causing constipation, or on the bladder,
creating an urge to urinate. Don't ignore these lesser
symptoms. They could also be signs of a gastrointestinal
disturbance or a bladder infection. Severe abdominal pain
itself could also be due to appendicitis, an infection in the
uterus or fallopian tubes, or an ectopic
pregnancy.
Irregular Periods
and Infertility
Occasionally
ovarian cysts do cause irregular periods, particularly in a
condition called polycystic ovaries in which the hormonal
system that regulates the ovaries is disturbed, causing them
to form a large number of cysts. More frequently, however,
menstrual irregularities are due to other conditions, such as
pregnancy, menopause, or thyroid problems.
Some women who have
trouble becoming pregnant also have polycystic ovaries, but
this problem is only one of many possible reasons for
infertility. If you are having difficulty becoming pregnant,
speak with your regular obgyn or with an infertility
specialist. (For more information see chapter 18,
Overcoming Infertility: Tactics and
Techniques.)
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