Bladder emptying test may spare pregnant women invasive needles

NCT ID NCT07165743

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study looks at whether a simple ultrasound observation of the fetal bladder emptying within 40 minutes can help rule out major chromosome issues like Down syndrome. Researchers will monitor 270 pregnant women between 11-14 weeks. If the bladder empties quickly and is very small afterward, it may be a reassuring sign, potentially reducing the need for more invasive tests.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to

If successful, this could offer a low-risk ultrasound marker to reassure many pregnant women and reduce unnecessary invasive procedures.

What could go wrong

This is a small, single-center observational study. The marker may not be accurate enough to replace current screening, and results may not apply to all populations.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Down syndrome Trisomy 13 Syndrome Trisomy 18 Syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • SBÜ Haseki Training and Research Hospital - Perinatology Department

    Istanbul, Istanbul (Sultangazi District), 34265, Turkey (Türkiye)