Fibroids are large growths some women have in their womb. They are not the same as cancer. Fibroids may sometimes stop a fertilized egg from growing in the womb.

Doctors don't know why fibroids happen. They may be caused by changes in levels of

 

 

 

 

 

hormones
Hormones are chemicals that are made in certain parts of the body. They travel through the bloodstream and have an effect on other parts of the body. For example, the female sex hormone estrogen is made in a woman's ovaries. Estrogen has many different effects on a woman's body. It makes the breasts grow at puberty and helps control periods. It is also needed to get pregnant.

 

 

 

 

 

hormones.

For more information, see our articles on Fibroids.

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