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Case file

Impurity after childbirth

Wikipedia's first sentence called it “form of impurity”. Today it says “concept in many cultures and religions that a new mother is in a state of uncleanliness for a period of time af”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2025 one. Red dashes: removed from Wikipedia since. Pale dots: rewritten; the numbered note shows what it says now. 1 tap a number or a side note to jump between them
The opening as it read in 2025

Social or religious concept Etching (Germany, c. 1731) illustrating the uncleanliness of the mother after giving birth, according to Jewish law. The Book of Leviticus states that a mother should be considered unclean for 40 days after giving birth to a boy and for 80 days after giving birth to a girl. The scene shows a mother in bed eating, surrounded by women and children. Her baby is rocked in a crib. In the foreground, three children ladle water from a jar. In the background is a tented community. Impurity after childbirth is the concept in many cultures and religions that a new mother is in a state of uncleanliness for a period of time after childbirth, requiring ritual purification . Practices vary, but typically there are limits around what she can touch, who she can interact with, where she can go, and what tasks she can do. Some practices related to impurity after childbirth, such as seclusion, overlap with the more general practice of postpartum confinement .

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1292098435.
Today
Wikipedia's first sentence called it “form of impurity”. Today it says “concept in many cultures and religions that a new mother is in a state of uncleanliness for a period of time af”. Read the current article and compare.
20152020Oct '232025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.

What Wikipedia says this is

Every article opens by defining its subject. This one was redefined since 2015, and today's defining sentence is their current revision.

Then

form of impurity

Now

concept in many cultures and religions that a new mother is in a state of uncleanliness for a period of time af

Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.

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