endometriosis
noun
en·do·me·tri·osis
ˌen-dō-ˌmē-trē-ˈō-səs 
: the presence and growth of tissue similar to endometrium in places other than the uterus and especially in the pelvis and abdomen that often results in severe pain and infertility
Endometriosis is not malignant, but it mimics cancer in the way it spreads and attaches itself to other organs—most commonly the ovary, bladder, and bowel.—
Consumer Reports
Consumer ReportsEndometriosis is one of the leading causes of female infertility and causes great pain and life disruption.—Paul G. Donohue
Paul G. DonohueExamples of endometriosis in a Sentence
Recent Examples on the Web
My appendix was removed, along with another 14 lesions (after having 37 endometriosis lesions and a cyst removed two years ago).
—Vanessa Etienne, People.com, 28 May 2025
Although some chronic gynecological pain conditions like endometriosis are gaining public attention and becoming better understood, these dynamics persist.
—Elizabeth Hintz, CNN Money, 26 May 2025
Even if your life has been plagued by pain, heavy bleeding, fibroids, or endometriosis, among a range of other uterine issues, this statement is still a tough pill to swallow for many women.
—Dominique Fluker, Essence, 12 May 2025
Research suggests increasing omega-3 consumption may be linked with less pain in folks with endometriosis, and multiple studies have pointed to a lower risk of endometriosis in people who take in higher amounts of the healthy fat.
—Erica Sloan, SELF, 25 Apr. 2025
See All Example Sentences for endometriosis
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Vanessa Etienne, People.com, 28 May 2025
Although some chronic gynecological pain conditions like endometriosis are gaining public attention and becoming better understood, these dynamics persist.
—Elizabeth Hintz, CNN Money, 26 May 2025
Even if your life has been plagued by pain, heavy bleeding, fibroids, or endometriosis, among a range of other uterine issues, this statement is still a tough pill to swallow for many women.
—Dominique Fluker, Essence, 12 May 2025
Research suggests increasing omega-3 consumption may be linked with less pain in folks with endometriosis, and multiple studies have pointed to a lower risk of endometriosis in people who take in higher amounts of the healthy fat.
—Erica Sloan, SELF, 25 Apr. 2025
See All Example Sentences for endometriosis
Cite this Entry
“Endometriosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endometriosis. Accessed 9 Jun. 2025.
Copy CitationMedical Definition
endometriosis
noun
en·do·me·tri·osis
ˌen-dō-ˌmē-trē-ˈō-səs
plural endometrioses
-ˌsēz
: the presence and growth of tissue similar to endometrium in places other than the uterus and especially in the pelvis and abdomen and that often results in severe pain and infertility
The primary symptoms of endometriosis are pelvic pain, dysmenorrhea, dyspareunia, backache, dyschezia, dysuria, and infertility.—G. David Adamson, The Journal of the American Medical Association
G. David Adamson, The Journal of the American Medical AssociationAbout 40 percent of infertile women suffer from endometriosis.—Gigi Martino, Science News
see adenomyosis
Gigi Martino, Science NewsLove words? Need even more definitions?
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