Positive Mitzvah 99: Impurity of a "Niddah"
Leviticus 15:19 "When a woman has a discharge..."

Niddah is a state of impurity that applies only to women.

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I offer my hand of five fingers and you offer yours. Together we have a complete ten. This is a handshake: You and I are only fragments of the whole -- until we come together.

From: Bringing Heaven Down to Earth by Tzvi Freeman - tzvif@aol.com