May 24, 2018 12:00 AM

Author: Diana Kightlinger


Although up to half of women have fibroid tumors, many of them don’t realize it. And that’s generally fine—until symptoms appear that interfere with their quality of life or ability to get pregnant and carry to full term.

Size & Location Matter

Fibroids are benign tumors that grow in the muscles of the uterus. Symptoms depend on their size and location. “They can be all sizes, from as small as a millimeter to as large as a basketball,” says Marisa Adelman, MD, obstetrician-gynecologist with University of Utah Health.

Fibroids typically occur in three main areas. Submucosal fibroids located inside the uterus can deform the cavity there. Intramural fibroids grow within the uterine walls. Symptoms associated with these fibroid types include heavier and longer menstrual bleeding and pain.

Subserosal fibroids grow on the outside of the uterus. In addition, fibroids can be pedunculated, meaning they hang off of a stalk. Women generally don’t notice these last two fibroid types unless they get large enough to cause bulk symptoms—pressure that causes pelvic pain, frequent urination, or constipation.

Pregnancy Gets Complicated

More seriously, fibroids can interfere with a woman’s ability to get pregnant, carry full-term and deliver vaginally.

“If a fibroid is 5 centimeters in size or greater, that can affect the ability to get pregnant,” Adelman explains. “For example, a fibroid that’s blocking where the fallopian tube enters into the uterus could impact fertility.”

During pregnancy itself, some fibroids degenerate due to inadequate blood flow. The resulting inflammation may cause severe pain and pre-term contractions. A fibroid’s location may also create complications. For instance, a large fibroid low in the uterus could prevent the baby from descending into the pelvis, interfering with labor and delivery.

Treatment Offers Options

Physicians generally diagnose fibroids based on symptoms or during a well-woman visit. But Adelman emphasizes, “They’re not a concern if you’re asymptomatic. They’re only a problem if they’re affecting your quality of life.”

To decide how to treat fibroids, Adelman considers three main questions:

  • What is the woman’s age?
  • What are her reproductive plans?
  • What are the fibroid size and location?

Physicians use two main approaches for myomectomy, the surgery to remove fibroids. The hysteroscopic technique removes fibroids inside the uterus by going through the cervix. This approach requires no incisions and involves minimal postoperative discomfort. On the other hand, the abdominal technique requires an incision in the abdomen to treat fibroids inside the wall or outside of the uterus. The abdominal approach can be performed laparoscopically or robotically.

It’s also possible to shrink fibroids. In uterine artery embolization, a radiologist injects beadlike particles to cut off the fibroid blood supply. This is useful if only one dominant fibroid needs to be treated.

Although the same fibroid does not usually recur, a woman may develop others in the future. To prevent that possibility, a hysterectomy not including the ovaries may be a consideration if a woman has completed child-bearing. Hysterectomy can be associated with less blood loss and a shorter operative time than myomectomies.

If fibroids are interfering with your qualify of life or ability to become or remain pregnant, consult your gynecologist-obstetrician. She’ll help you understand your chances for a healthy pregnancy, options to permanently remove fibroids, and personal risks and benefits of treatment options.

pregnancy gynecology fibroids

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