safe period

American  

noun

1. an interval of the menstrual cycle when fertilization is considered to be least likely, usually a number of days prior and subsequent to the onset of menstruation.

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safe period British  

noun

1. informal the period during the menstrual cycle when conception is considered least likely to occur See also rhythm method

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Etymology

Origin of safe period

First recorded in 1915–20

Example Sentences

People joining the campaign have been asked to post pictures online as a statement of support for the 500 million people it says lack these safe period hygiene facilities.

From BBC • Mar. 4, 2026

A recent series in Ms. magazine about menstrual equity — the ability to access affordable, safe period products — reported on the trauma experienced by incarcerated women who have been denied these necessities.

From Washington Post • Mar. 25, 2022

Lack of access to clean, safe period products is a staggering problem in every corner of the world.

From Salon • Jan. 2, 2022

“They had consistently looked at whether it was safe period, not whether it was safe with respect to something.”

From New York Times • Apr. 7, 2021

When I say it’s not safe for you, I mean it’s not safe, period.

From "Wayward Creatures" by Dayna Lorentz