Girls' period patterns under the microscope: a quest to decode healthy puberty
NCT ID NCT03986021
First seen Jun 27, 2026 · Last updated Jul 09, 2026 · Updated 3 times
Summary
This study follows healthy girls ages 8-14 and teens with irregular periods to learn how their menstrual cycles become regular after their first period. Researchers also include girls at risk for PCOS and compare them to women with and without PCOS. The goal is to understand normal puberty and find early signs of hormone problems.
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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
Locations
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NIEHS Clinical Research Unit (CRU)
RECRUITINGResearch Triangle Park, North Carolina, 27709, United States
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