Definition of menstruationnext
as in period
an occurrence of menstruating a first menstruation can be somewhat scary for girls who are unprepared

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Example Sentences

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.
Recent Examples of menstruation One new mission is setting out to study menstruation in microgravity for the first time ever. Chelsea Gohd, Space.com, 19 June 2026 Current phase-specific guidance points to iron-rich foods during menstruation to replace losses, lighter liver-supporting foods in the follicular phase, anti-inflammatory foods in the luteal phase and magnesium and B6 in the late luteal phase for PMS support. Allison Palmer updated June 13, Fort Worth Star-Telegram, 13 June 2026 The luteal phase covers days 15 through 28, when progesterone dominates, appetite climbs, energy drops and PMS symptoms peak in the days before menstruation. Allison Palmer updated June 13, Sacbee.com, 13 June 2026 Iron Deficiency With menstruation, the body loses blood and iron, increasing the risk of iron deficiency. Angela Ryan Lee, Verywell Health, 4 June 2026 See All Example Sentences for menstruation
Recent Examples of Synonyms for menstruation
period
Noun
  • Trout has spent his entire 16-year career with the Angels, a period that has coincided with one of the worst stretches in franchise history.
    Fabian Ardaya, New York Times, 2 Sep. 2026
  • Avoid jumping or diving in warm freshwater during periods of high water temperatures and low water levels.
    Angel Saunders, PEOPLE, 2 Sep. 2026

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Cite this Entry

“Menstruation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/menstruation. Accessed 2 Sep. 2026.

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