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 endometriosis diagnosis was one of the most frustrating yet validating experiences of my life.
—Sarah Bence, Health, 4 Mar. 2025
Severe endometriosis Severe male infertility Reproductive Health Issues Summary
Intrauterine insemination (IUI), also known as artificial insemination, and in vitro fertilization (IVF) are fertility procedures.
—Khadeja Haye, Verywell Health, 26 Feb. 2025
Booth later learned that endometriosis can only be definitively diagnosed through laparoscopic surgery.
—Josh Hammer, Newsweek, 15 Feb. 2025
Bindi Irwin hit a new high in her recovery from endometriosis.
—Erin Clack, People.com, 19 Jan. 2025
See All Example Sentences for endometriosis
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Sarah Bence, Health, 4 Mar. 2025
Severe endometriosis Severe male infertility Reproductive Health Issues Summary
Intrauterine insemination (IUI), also known as artificial insemination, and in vitro fertilization (IVF) are fertility procedures.
—Khadeja Haye, Verywell Health, 26 Feb. 2025
Booth later learned that endometriosis can only be definitively diagnosed through laparoscopic surgery.
—Josh Hammer, Newsweek, 15 Feb. 2025
Bindi Irwin hit a new high in her recovery from endometriosis.
—Erin Clack, People.com, 19 Jan. 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 25 Mar. 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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