Massive new registry aims to uncover hidden causes of missed periods
NCT ID NCT06583408
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is building a large registry of women with Functional Hypothalamic Amenorrhea (FHA), a condition where the body stops having periods due to stress, low weight, or excessive exercise. Researchers will track up to 100,000 participants over time to learn how common FHA is, who it affects, and how it impacts long-term health. No treatment is given; the goal is simply to collect information through questionnaires and medical records.
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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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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.
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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Mayo Clinic
RECRUITINGJacksonville, Florida, 32224, United States
Contact Email: •••••@•••••
Contact
Contact
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Mayo Clinic
RECRUITINGRochester, Minnesota, 55905, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••