menstruation
noun
men·stru·a·tion
ˌmen(t)-strü-ˈwā-shən 
men-ˈstrā-
: a cyclical discharging of blood, secretions, and tissue debris from the uterus that recurs in nonpregnant breeding-age primate females at approximately monthly intervals and that is considered to represent a readjustment of the uterus to the nonpregnant state following proliferative changes accompanying the preceding ovulation
also
: period sense 6c
Examples of menstruation in a Sentence
a first menstruation can be somewhat scary for girls who are unprepared
Recent Examples on the Web
Many people want to physically experience pregnancy and menstruation, says Dani Ejzenberg, medical supervisor of the human reproduction unit at the Clinical Hospital of the University of São Paulo, who led the uterus transplant in a deceased donor that led to the first live birth.
—
Tanya Lewis, Scientific American, 23 Sep. 2024
It's often associated with using tampons during menstruation.
—Vanessa Etienne, People.com, 22 Oct. 2024
If pregnancy does not occur, menstruation will take place when the luteal phase ends.
—Corey Whelan, Verywell Health, 18 Sep. 2024
While iron deficiency in nonpregnant women is primarily associated with menstruation, other risk factors include diets that don’t have enough iron, as well as gut disorders, like celiac disease, that cause poor iron absorption.
—Lourdes Medrano, NPR, 15 Sep. 2024
See all Example Sentences for menstruation 
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.
Tanya Lewis, Scientific American, 23 Sep. 2024
It's often associated with using tampons during menstruation.
—Vanessa Etienne, People.com, 22 Oct. 2024
If pregnancy does not occur, menstruation will take place when the luteal phase ends.
—Corey Whelan, Verywell Health, 18 Sep. 2024
While iron deficiency in nonpregnant women is primarily associated with menstruation, other risk factors include diets that don’t have enough iron, as well as gut disorders, like celiac disease, that cause poor iron absorption.
—Lourdes Medrano, NPR, 15 Sep. 2024
See all Example Sentences for menstruation
Dictionary Entries Near menstruation
Cite this Entry
“Menstruation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/menstruation. Accessed 22 Nov. 2024.
Copy CitationKids Definition
menstruation
noun
men·stru·a·tion
ˌmen(t)-strə-ˈwā-shən
men-ˈstrā-shən
: a discharging of blood, secretions, and tissue debris from the uterus at periods of approximately one month in female primates of breeding age that are not pregnant
also
: period sense 3c
Medical Definition
menstruation
noun
men·stru·a·tion
ˌmen(t)-strə-ˈwā-shən, men-ˈstrā-
: a discharging of blood, secretions, and tissue debris from the uterus that recurs in nonpregnant human and other primate females of breeding age at approximately monthly intervals and that is considered to represent a readjustment of the uterus to the nonpregnant state following proliferative changes accompanying the preceding ovulation
also
: period sense 1b
Love words? Need even more definitions?
Merriam-Webster unabridged
Share