New sperm sorting technique could let parents pick Baby's sex
NCT ID NCT05500573
First seen Jun 06, 2026 · Last updated Jun 22, 2026 · Updated 4 times
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.
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the original study
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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.
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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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Center for Reproductive Medicine- Weill Cornell Medicine
RECRUITINGNew York, New York, 10021, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
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.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.