of Work: The primary purpose of the project on fertility is to develop methods for identifying reproductive hazards. Ultimately, we are working toward developing methods for studying reproductive hazards in small populations so that localized exposures can be evaluated. First, we have developed questionnaire methods for measuring fertility using data on time to pregnancy, the number of noncontracepting menstrual cycles required to conceive. This measure can be the focus of epidemiologic studies of fertility or can be integrated into epidemiologic studies of other diseases such as breast cancer. Data on fertility has been collected in the Agricultural Health Study. These data will be available in the fall of 1999 for an analysis of pesticide related effects and fertility. Our second approach focusses on developing biological markers of impaired ovarian function. We have begun by examining urinary metabolites of estrogen and progesterone. These have been measured in daily urine specimens from over 700 menstrual cycles from about 200 women. First, we developed a method for detecting day of ovulation using these urinary hormone data. Our ability to detect ovulation using this method was very good. Now we are developing methods for characterizing follicular development, luteal function, and hormonal factors associated with conception and pregnancy loss, including rescue of the corpus luteum. - fertility, environmental effects, reproductive hazard, exposure, pesticide, ovarian function, estrogen, urinary metabolites - Human Subjects & Human Subjects: Interview, Questionaires, or Surveys Only

Agency
National Institute of Health (NIH)
Institute
National Institute of Environmental Health Sciences (NIEHS)
Type
Intramural Research (Z01)
Project #
1Z01ES049003-10
Application #
6289972
Study Section
Special Emphasis Panel (EBMP)
Project Start
Project End
Budget Start
Budget End
Support Year
10
Fiscal Year
1999
Total Cost
Indirect Cost
City
State
Country
United States
Zip Code
Wang, Cuicui; Chen, Renjie; Shi, Min et al. (2018) Possible Mediation by Methylation in Acute Inflammation Following Personal Exposure to Fine Particulate Air Pollution. Am J Epidemiol 187:484-493
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