Why was the Day of Purification necessary after menstruation?

By Joshua Andreasen | Founder of Unforsaken

The Day of Purification after menstruation was necessary to mark the end of ceremonial uncleanness and allow for the restoration of a woman’s participation in the religious life of Israel. Though menstruation is a natural process, it made a woman unclean under the law and required a divinely appointed process for cleansing.

Leviticus 15:28–30 says:

“But if she is cleansed of her discharge, then she shall count for herself seven days, and after that she shall be clean. And on the eighth day she shall take for herself two turtledoves or two young pigeons, and bring them to the priest… and the priest shall make atonement for her.”

The seven days following the flow ensured complete cessation and time for separation. The offering on the eighth day reaffirmed purity and the seriousness of approaching a holy God.

The required atonement was not because menstruation was sinful, but because every form of impurity required cleansing before restored fellowship. It taught Israel that nothing unclean could approach God’s presence without being sanctified.

Spiritually, it underscores the need for continuous cleansing from the defilements of living in a fallen world. 1 John 1:9 applies this principle:

“If we confess our sins, He is faithful and just to forgive us our sins and to cleanse us from all unrighteousness.”

The Day of Purification pointed to the grace of God in making a way for restoration and continued relationship with Him.

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