# Effectiveness and Efficacy of Dynamic Optimal Timing, a Smart Phone App for Avoiding Pregnancy: an Observational Study

> **NCT02833922** · — · COMPLETED · sponsor: **Georgetown University** · enrollment: 718 (actual)

## Conditions studied

- Desire to Avoid Pregnancy

## Interventions

- **BEHAVIORAL:** Women using Dot to avoid pregnancy

## Key facts

- **NCT ID:** NCT02833922
- **Lead sponsor:** Georgetown University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-09
- **Primary completion:** 2019-09-30
- **Final completion:** 2019-09-30
- **Target enrollment:** 718 (ACTUAL)
- **Last updated:** 2020-02-17

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02833922

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02833922, "Effectiveness and Efficacy of Dynamic Optimal Timing, a Smart Phone App for Avoiding Pregnancy: an Observational Study". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT02833922. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*