> ## Documentation Index
> Fetch the complete documentation index at: https://glossary.micahealth.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Enrollment

The actual or target number of people participating in a study.

## Related terms

<CardGroup cols={3}>
  <Card title="Primary completion date" href="primary_completion_date" />

  <Card title="Masking" href="masking" />
</CardGroup>

[*Source*](https://clinicaltrials.gov/study-basics/glossary)