Scientists unravel mysteries of puberty and fertility hormone

NCT ID NCT01511588

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

Summary

This study looked at people with low or no GnRH, a hormone that controls puberty and fertility. Researchers studied 111 adults and teens to understand how GnRH problems affect the body. The goal was to find new hormone patterns and genetic causes, not to test a treatment.

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Conditions

The condition(s) this trial relates to.

amenorrhea endocrine system disorder hypogonadism hypogonadotropic hypogonadism 7 with or without anosmia infertility disorder Kallmann syndrome Puberty, Delayed

As listed by the trial registrant

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

Contacts and locations

Locations

  • NIEHS Clinical Research Unit (CRU)

    Research Triangle Park, North Carolina, 27709, United States

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States