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.
Track menstrual cycles in the first one to three months. Allison Palmer, Charlotte Observer, 10 June 2026 According to Llorca, the specialist determined her daughter was not pregnant and that an ultrasound finding had actually been retained blood from the teen's most recent menstrual cycle. Ashley Vega, PEOPLE, 9 June 2026 The menstrual cycle has four phases, each with a distinct hormonal profile. Allison Palmer june 8, Sacbee.com, 8 June 2026 How Cycle Syncing Works Cycle syncing divides the roughly 28-day menstrual cycle into four hormonal phases and assigns different foods, workouts and work priorities to each. Allison Palmer, Fort Worth Star-Telegram, 8 June 2026 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

Browse Nearby Words

Cite this Entry

“Menstrual cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/menstrual%20cycle. Accessed 16 Jun. 2026.

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster