The
symptoms caused by fibroids fall into three main categories:
- Bleeding
- Pain
- Pressure
Abnormal
Bleeding
Fibroids
are a major cause of abnormal
uterine bleeding. Fibroids can
cause both heavy periods and bleeding at other times separate from your period.
The bleeding from uterine fibroids can be significant enough to cause you to
develop anemia. All uterine fibroids alter the blood flow to the uterus to some
degree, which usually results in some increase in your menstrual flow. However,
submucosal or transmural fibroids that distort the endometrium or lining of the
uterus cause the most significant amount of abnormal uterine bleeding. If you
are having very heavy menstrual periods it is likely that you have a submucosal
fibroid. Submucosal fibroids do not have to be very big to cause significant
bleeding. In fact, just one small submucosal fibroid can cause enough bleeding
for you to become anemic.
Pain
Fibroids
can cause both cyclic and non-cyclic pelvic pain. Cyclic pain is pain that is
related to your menstrual cycle. Normal menstruation results from changes in
your uterus that cause you to have at least some mild cramping with your
period. Because uterine fibroids are made of smooth muscle, distort the uterus
and alter uterine blood flow they can significantly increase the cramping you
have with your period. This condition is called dysmenorrhea.
Pain
in your lower back is also common with uterine fibroids. Typically this is
associated with all types of fibroids except submucosal fibroids. The enlarged
uterus can push on the muscles and nerves of your lower back. This type of
lower back pain can be constant or cyclic pain that is related to your period.
Sometimes this pain also radiates or extends to your hips, groin or upper
thighs.
Fibroids
can also cause pain with intercourse a condition known as dyspareunia. Depending on the location of your fibroids this pain may only
occur in certain positions.
Pressure
As fibroids grow they can
significantly increase the volume and weight of your uterus. This increased
weight is often felt as a sense of pressure or heaviness in your pelvis. An
enlarging uterus can also put pressure on other pelvic structures especially
your bladder and your rectum.
A common bladder complaint in
women with fibroids is the need to urinate more frequently. Some women may
actually have difficulty emptying their bladder. If you are experiencing these
symptoms it is likely that you have a subserosal, transmural or a pedunculated
fibroid arising from the front wall of your uterus. Since your bladder sits in
front of your uterus a fibroid in this location occupies space in your pelvis
and it can interfere with the ability of your bladder to expand or empty
appropriately.
Similar to the pressure
effects on the bladder, these types of fibroids arising from the back wall of
the uterus can put pressure on the rectum. Pressure on the rectum can cause you
to have difficulty with your bowel movements or even constipation.
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