New sperm sorting technique could let parents pick Baby's sex

NCT ID NCT05500573

Recruiting now Disease control Sponsor: Weill Medical College of Cornell University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a method to sort sperm by gender (X or Y chromosome) using a density gradient. The goal is to help couples undergoing IVF or insemination have a baby of a desired sex, for medical or personal reasons. About 2000 couples will take part, and researchers will check if the sorted sperm leads to embryos and babies of the chosen gender.

What this could mean

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

Active substance: Sperm sorting procedure
What this could lead to: If successful, this could offer a reliable way for couples to choose the sex of their child during fertility treatment.
What could go wrong: This is an early-stage study with no phase, and the method may not reliably produce the desired gender. Risks include potential failure of the sorting technique or lower fertilization rates.

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Conditions

The condition(s) this trial relates to.

infertility disorder ventricular fibrillation, paroxysmal familial, type 1

As listed by the trial registrant

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

INFERTILITY IVF

Contacts and locations

Locations

Center for Reproductive Medicine- Weill Cornell Medicine
RECRUITING

New York, New York, 10021, United States

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