menstrual cycle

noun

: the cycle of physiological changes from the beginning of one menstrual period to the beginning of the next

Examples of menstrual cycle 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.
Estrogen is an important hormone that regulates the reproductive system, and estrogen levels rise and fall throughout the menstrual cycle. Alyssa Goldberg, USA Today, 2 Apr. 2025 In one older study, researchers reported that resting metabolic rate varied widely for some people across the menstrual cycle. Anna Giorgi, Verywell Health, 31 Mar. 2025 At the same time, women tend to have significantly higher estrogen levels than men, although estrogen levels do fluctuate throughout the menstrual cycle. Bruce Y. Lee, Forbes.com, 26 Mar. 2025 Hormone changes around pregnancy and your menstrual cycle may also cause acne. Casey Gallagher, Health, 25 Mar. 2025 See All Example Sentences for menstrual cycle

Word History

First Known Use

1912, in the meaning defined above

Time Traveler
The first known use of menstrual cycle was in 1912

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Cite this Entry

“Menstrual cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/menstrual%20cycle. Accessed 15 Apr. 2025.

Kids Definition

menstrual cycle

noun
: the complete cycle of bodily changes from the beginning of one menstrual period to the beginning of the next

Medical Definition

menstrual cycle

noun
: the whole cycle of physiological changes from the beginning of one menstrual period to the beginning of the next

More from Merriam-Webster on menstrual cycle

Last Updated: - Updated example sentences
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