The fibroid-fertility connection

Fibroids and Fertility

Since uterine fibroids are benign muscular tumors that grow inside your uterus, depending on their size, number, and location, could have a significant  impact on your fertility chances. It’s important to note that most women with fibroids may not face fertility struggles, but others could be at a higher risk for successful conception. Keep reading to learn more!

How do fibroids impact your fertility chances?

An estimated 5-10% of women who struggle with fertility have fibroids. Many experts predict that this number could be much higher as the majority of women with fibroids go undiagnosed during their lifetimes.

Although benign, fibroids mainly impact fertility chances because of their size and location. By changing the shape of the uterus or cervix, they can block sperm from entering the uterus and make it more difficult for an embryo to implant. Fibroids can also interfere with ovulation if they block your fallopian tubes, and they can also decrease blood flow in the uterine cavity.

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How fibroids change during pregnancy

During pregnancy, fibroids may grow up to the first 12 weeks as estrogen and progesterone levels rise. After this time period, they generally do not continue growing and have even shrunk in size for some women.

For some, fibroids may increase the risk of miscarriage or delivery complications. Some studies have shown that women with fibroids are twice as likely to miscarry and six times more likely to need a cesarean-section. Large fibroids could potentially restrict fetal growth and women suffering from fibroid pain may be at higher risk for an early delivery

Treatment options

Generally, treatment is not required for fibroids during pregnancy, but if you are experiencing severe pain, it may be best to consult your doctor about whether surgery is the right option or not. Surgery before pregnancy is often more ideal, and a  myomectomy or a myolysis could help increase the chance of conceiving.


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