# Paternal Age and Fetal Aneuploidy

> **NCT05981521** · — · COMPLETED · sponsor: **Clinique Ovo** · enrollment: 7141 (actual)

## Conditions studied

- Trisomy 21

## Interventions

- **DIAGNOSTIC_TEST:** Optimo prenatal screening test

## Key facts

- **NCT ID:** NCT05981521
- **Lead sponsor:** Clinique Ovo
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2023-07-31
- **Primary completion:** 2024-12-31
- **Final completion:** 2025-06-13
- **Target enrollment:** 7141 (ACTUAL)
- **Last updated:** 2025-12-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05981521

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05981521, "Paternal Age and Fetal Aneuploidy". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT05981521. Licensed CC0.

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