luteal

adjective

lu·​te·​al ˈlü-tē-əl How to pronounce luteal (audio)
: of, relating to, or involving the corpus luteum or its formation
the luteal phase of the menstrual cycle

Examples of luteal 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.
The luteal phase covers days 15 through 28, with progesterone dominant. Allison Palmer june 4, Miami Herald, 4 June 2026 The luteal phase, days 15 to 28, is dominated by progesterone, which researchers have long flagged as catabolic and potentially disruptive to muscle contractions during hard efforts. Allison Palmer june 4, Kansas City Star, 4 June 2026 For me, yelling happened the most in the luteal phase of my menstrual cycle, when estrogen and progesterone are both at their lowest. Simone Sauter, Parents, 30 May 2026 The meal-kit company Hungry Root recommends ordering sweets during the luteal phase. Andréa Becker, The Atlantic, 3 May 2026 See All Example Sentences for luteal

Word History

First Known Use

1920, in the meaning defined above

Time Traveler
The first known use of luteal was in 1920

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Cite this Entry

“Luteal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/luteal. Accessed 8 Jun. 2026.

Medical Definition

luteal

adjective
lu·​te·​al ˈlüt-ē-əl How to pronounce luteal (audio)
: of, relating to, characterized by, or involving the corpus luteum or its formation
the luteal phase of the menstrual cycle
luteal activity
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