# menstruation

/ˌmɛnstɹuˈeɪʃən/ (US) · /mˌɛnstɹuːˈeɪʃən/ (UK)

Source: https://englishreference.com/word/menstruation
Updated: 2026-08-27

## Senses

### 1. the biological process

noun · CEFR B2 · Technical

the monthly process where a woman's body releases blood and cells from the uterus.

For teachers: the periodic discharge of blood and uterine lining in humans and other primates, occurring as part of the reproductive cycle.

- Menstruation usually begins during puberty for most young women.
- The hormonal shifts that trigger menstruation can also affect a person's mood and energy levels throughout the month.

Usage: Often used in medical or formal contexts; 'period' is the standard everyday term.

### 2. a specific instance

noun · CEFR B2 · Technical

the specific time or days during the month when this process happens.

For teachers: a specific occurrence or instance of the menstrual flow.

- She tracked the start of her menstruation on a calendar every month.
- Irregular menstruation can sometimes be a sign of underlying health issues that require a consultation with a specialist.

Usage: Can be used as a countable noun when referring to specific occurrences.

## Examples

- She is tracking her menstruation to understand her cycle better.
- The clinic provides free resources to help women manage their menstruation and understand their reproductive health.
- While menstruation is a natural biological process, many cultures have historically surrounded it with various taboos and social restrictions that vary significantly across different regions.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.