progesterone
noun
pro·ges·ter·one
prō-ˈje-stə-ˌrōn 
: a female steroid sex hormone C21H30O2 that is secreted by the corpus luteum to prepare the endometrium for implantation and later by the placenta during pregnancy to prevent rejection of the developing embryo or fetus
also
: a synthetic steroid resembling progesterone in action
Examples of progesterone in a Sentence
Recent Examples on the Web
These birth control methods use estrogen and progesterone hormones to control or stop the menstrual cycle.
—
Anna Almendrala, Health, 30 Mar. 2024
The researchers followed women using different types of synthetic forms of the hormone progesterone, commonly used to treat a variety of gynecological conditions such as endometriosis, PCOS, menopausal hormone therapy and in some contraceptives.
—Irene Wright, Miami Herald, 28 Mar. 2024
Mifepristone gets in the way of this process by blocking the receptors that progesterone would normally bind with.
—Karen Kaplan, Los Angeles Times, 26 Mar. 2024
Mifepristone is an oral drug that blocks a hormone called progesterone, which the body needs to continue a pregnancy.
—Korin Miller, SELF, 4 Mar. 2024
Mifepristone is a drug that blocks progesterone, which is needed for a pregnancy to continue.
—Joshua Cohen, Forbes, 10 Feb. 2024
The first pill, mifepristone, blocks progesterone and stops any potential pregnancy from developing further.
—Lux Alptraum, WIRED, 30 Dec. 2023
Changes in the hormones estrogen and progesterone happen during this time.
—Anthea Levi, Health, 16 Mar. 2024
Without progesterone, the lining of the uterus breaks down and the pregnancy cannot continue.
—Cara Lynn Shultz, Peoplemag, 25 Jan. 2024
Anna Almendrala, Health, 30 Mar. 2024
The researchers followed women using different types of synthetic forms of the hormone progesterone, commonly used to treat a variety of gynecological conditions such as endometriosis, PCOS, menopausal hormone therapy and in some contraceptives.
—Irene Wright, Miami Herald, 28 Mar. 2024
Mifepristone gets in the way of this process by blocking the receptors that progesterone would normally bind with.
—Karen Kaplan, Los Angeles Times, 26 Mar. 2024
Mifepristone is an oral drug that blocks a hormone called progesterone, which the body needs to continue a pregnancy.
—Korin Miller, SELF, 4 Mar. 2024
Mifepristone is a drug that blocks progesterone, which is needed for a pregnancy to continue.
—Joshua Cohen, Forbes, 10 Feb. 2024
The first pill, mifepristone, blocks progesterone and stops any potential pregnancy from developing further.
—Lux Alptraum, WIRED, 30 Dec. 2023
Changes in the hormones estrogen and progesterone happen during this time.
—Anthea Levi, Health, 16 Mar. 2024
Without progesterone, the lining of the uterus breaks down and the pregnancy cannot continue.
—Cara Lynn Shultz, Peoplemag, 25 Jan. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'progesterone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near progesterone
Cite this Entry
“Progesterone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/progesterone. Accessed 18 Apr. 2024.
Copy CitationKids Definition
progesterone
noun
pro·ges·ter·one
prō-ˈjes-tə-ˌrōn
: a hormone that is produced by the corpus luteum and causes the uterus to change so that it provides a suitable environment for a fertilized egg
Medical Definition
progesterone
noun
pro·ges·ter·one
prō-ˈjes-tə-ˌrōn
: a female steroid sex hormone C21H30O2 that is secreted by the corpus luteum to prepare the endometrium for implantation and later by the placenta during pregnancy to prevent rejection of the developing embryo or fetus
also
: a synthetic steroid resembling progesterone in action
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