Topic Overview

Menstruation

Menstruation (or period) happens monthly. As the uterus sheds its lining, vaginal bleeding follows. Menstrual blood is made of blood and tissue.

Educational ResourceEndocrineReproductive

Educational information only. This explains health information to discuss with a qualified clinician; it is not a diagnosis, prescription, or treatment. Medical Information & Safety.

Definition

Menstruation (or period) happens monthly. As the uterus sheds its lining, vaginal bleeding follows. Menstrual blood is made of blood and tissue.

Concept record

Canonical title: Menstruation
Alphabetical key: M
Category: Educational Resource
Content type: Topic Overview
Other names, clinical names and abbreviations: Menses, Menstrual period, Period
Article status: Medical Encyclopedia Index Entry — full article under review.

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