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

The guidelines that were pulled two weeks ago also provided guidance that female service members be asked about fatigue and disrupted menstrual cycles that could be associated ​with hormonal dysregulation. — Luis Martinez, ABC News, 18 Sep. 2026

Cortisol, for example, can change throughout the day, testosterone can fluctuate from day to day, and estrogen and progesterone shift wildly over the course of the menstrual cycle. — Cathy Cassata, HEALTH, 21 Aug. 2026

Much of Carson’s work has focused on what was used to be called the female athlete triad—namely, how irregular menstrual cycles, low energy availability and lower bone mineral density can affect women in high-intensity sports. — Adam Kovac, Scientific American, 18 Aug. 2026

Key Takeaways Key Takeaways Hormonal birth control can regulate your menstrual cycle, making periods more predictable and reducing heavy bleeding. — Carrie Madormo, Verywell Health, 18 Aug. 2026

Word History

First Known Use

1912, in the meaning defined above

Rhymes for menstrual cycle

• recycle
• motorcycle

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