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progesterone

American  
[proh-jes-tuh-rohn] / proʊˈdʒɛs təˌroʊn /

noun

  1. Biochemistry. a hormone, C 2 1 H 3 0 O 2 , that prepares the uterus for the fertilized ovum and maintains pregnancy.

  2. Pharmacology. a commercial form of this compound, obtained from the corpus luteum of pregnant sows or synthesized: used in the treatment of dysfunctional uterine bleeding, dysmenorrhea, threatened or recurrent abortion, etc.


progesterone British  
/ prəʊˈdʒɛstəˌrəʊn /

noun

  1. Also called: corpus luteum hormone.  a steroid hormone, secreted mainly by the corpus luteum in the ovary, that prepares and maintains the uterus for pregnancy. Formula: C 21 H 30 O 2

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

progesterone Scientific  
/ prō-jĕstə-rōn′ /
  1. A steroid hormone that prepares the uterus for pregnancy, maintains pregnancy, and promotes development of the mammary glands. The main sources of progesterone are the ovary and the placenta. Chemical formula: C 21 H 30 O 2 .


Etymology

Origin of progesterone

1930–35; blend of progestin and luteosterone (< German Luteosteron, synonymous with progestin, equivalent to Luteo- luteo- (representing corpus luteum ) + -steron ( sterol, -one ))

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A functional health doctor prescribed progesterone cream to help balance my hormones, another solution tailored to women experiencing menopause.

From The Wall Street Journal

The patches, often prescribed along with oral progesterone, are applied to the skin on a regular basis, either once or twice a week depending on the type.

From The Wall Street Journal

Hormones such as progesterone and oxytocin play a major role in controlling this process.

From Science Daily

HRT provides women with bioidentical estrogen that their bodies no longer make regularly or at all, in addition to progesterone in most cases.

From MarketWatch

They also collected urine samples on filter paper to measure estrogen and progesterone, allowing them to identify when ovulation occurred.

From Science Daily