# Evaluation of Fetal Bladder Emptying During the 11-14 Weeks' Ultrasound Examination as a Negative Predictive Marker for Chromosomal Abnormalities

> **NCT07165743** · — · ACTIVE_NOT_RECRUITING · sponsor: **Haseki Training and Research Hospital** · enrollment: 270 (estimated)

## Conditions studied

- Chromosomal Aneuploidies (e.g., Trisomy 21, Trisomy 18, Trisomy 13); Prenatal Screening Accuracy

## Interventions

- **DIAGNOSTIC_TEST:** 40-Minute Real-Time First-Trimester Ultrasonography

## Key facts

- **NCT ID:** NCT07165743
- **Lead sponsor:** Haseki Training and Research Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2025-08-28
- **Primary completion:** 2025-10-31
- **Final completion:** 2026-01-30
- **Target enrollment:** 270 (ESTIMATED)
- **Last updated:** 2025-09-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07165743

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07165743, "Evaluation of Fetal Bladder Emptying During the 11-14 Weeks' Ultrasound Examination as a Negative Predictive Marker for Chromosomal Abnormalities". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT07165743. Licensed CC0.

---

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