polycystic ovary syndrome

noun

: a variable disease that is marked by amenorrhea, hirsutism, obesity, infertility, and ovarian enlargement and is usually initiated by an elevated level of luteinizing hormone, androgen, or estrogen which results in an abnormal cycle of gonadotropin release by the pituitary gland

called also polycystic ovarian syndrome

Examples of polycystic ovary syndrome in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
After 14 years of work, polycystic ovary syndrome has been officially renamed Polyendocrine Metabolic Ovarian Syndrome, or PMOS, in a global consensus process that researchers describe as the largest medical name change in history. Samantha Agate, Fort Worth Star-Telegram, 19 May 2026 For nearly a decade, millions of women have been diagnosed with a condition called polycystic ovary syndrome — a name that limited both timely diagnosis and treatment. Adaira Landry, Forbes.com, 15 May 2026 Women’s reproductive health has long been a blind spot in the medical industry, but the group hopes that renaming polycystic ovary syndrome (PCOS) to polyendocrine metabolic ovarian syndrome (PMOS) will help illuminate a better path forward in treating it. Theara Coleman, TheWeek, 14 May 2026 Doctors have renamed polycystic ovary syndrome (PCOS) to polyendocrine metabolic ovarian syndrome (PMOS) to better reflect the wide-ranging symptoms of the condition that affects about 10%-13% of reproductive-aged women. Sydney Lake, Fortune, 14 May 2026 See All Example Sentences for polycystic ovary syndrome

Word History

First Known Use

1956, in the meaning defined above

Time Traveler
The first known use of polycystic ovary syndrome was in 1956

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Cite this Entry

“Polycystic ovary syndrome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polycystic%20ovary%20syndrome. Accessed 28 May. 2026.

Medical Definition

polycystic ovary syndrome

noun
: a variable disorder that is marked especially by amenorrhea, hirsutism, obesity, infertility, and ovarian enlargement and is usually initiated by an elevated level of luteinizing hormone, androgen, or estrogen which results in an abnormal cycle of gonadotropin release by the pituitary gland
abbreviation PCOS

called also polycystic ovarian disease, polycystic ovarian syndrome, polycystic ovary disease, Stein-Leventhal syndrome

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