# Investigation of Heart Rate Variability During the Menstrual Cycle

> **NCT04008277** · — · COMPLETED · sponsor: **SPD Development Company Limited** · enrollment: 12 (actual)

## Conditions studied

- Ovulation

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04008277
- **Lead sponsor:** SPD Development Company Limited
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-07-19
- **Primary completion:** 2019-10-02
- **Final completion:** 2019-12-31
- **Target enrollment:** 12 (ACTUAL)
- **Last updated:** 2020-02-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04008277

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04008277, "Investigation of Heart Rate Variability During the Menstrual Cycle". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04008277. Licensed CC0.

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