Status:
COMPLETED
Organochlorine Exposure in Relation to Timing of Natural Menopause
Lead Sponsor:
National Institute of Environmental Health Sciences (NIEHS)
Conditions:
Menopause
Eligibility:
All Genders
Brief Summary
This study will examine whether exposure to organochlorines (certain chemicals such as PCBs and DDE, used in pesticides or other industrial applications) is related to age at natural menopause. It is ...
Detailed Description
Smoking has been shown in many studies to be associated with a 1-2 year decrease in age at natural menopause. However, relatively little is known about the effect of other potential toxicants, includi...
Eligibility Criteria
Inclusion
- INCLUSION AND EXCLUSION CRITERIA:
- There will be no exclusions based on age, ethnicity or race/ethnicity. Participants who are unable to complete a telephone interview because of chronic illness (including cognitive impairment) or language or hearing difficulties will not be eligible.
- There are 8 women in the cohort whose study children are known to have died. We will exclude these women from this follow-up study.
- This leaves 857 women that are eligible for tracing the follow-up interview.
Exclusion
Key Trial Info
Start Date :
March 1 2003
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
May 29 2019
Estimated Enrollment :
514 Patients enrolled
Trial Details
Trial ID
NCT00353171
Start Date
March 1 2003
End Date
May 29 2019
Last Update
June 17 2019
Active Locations (1)
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1
NIEHS, Research Triangle Park
Research Triangle Park, North Carolina, United States, 27709