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Home > "O" Clinical Trials Conditions > Organophosphate Pesticides and Human Reproductive Health  Organophosphate Pesticides and Human Reproductive Health
Organophosphate Pesticides and Human Reproductive Health
For Condition: Menstruation Disorders,Fecundability,Endocrine Dysfunction,Spermatazoa Disorders
Status: Not yet recruiting
Sponsor(s): National Institute of Environmental Health Sciences (NIEHS) ,
Synopsis: This prospective cohort study assesses the effects of exposure to organophosphate (OP) pesticides on adverse reproductive outcomes in both male and female agricultural workers in China. We will enroll women and their spouses, who are attempting to become pregnant, and observe reproductive endpoints including (1) semen parameters (concentration, total count, motility, progression and morphology), (2) menstrual disorders (oligomenorrhea, amenorrhea, polymenorrhea, intermenstrual bleeding, prolonged menstrual bleeding, dysmenorrhea, and irregular menstruation); (3) alterations in hormone patterns including reduced estrogen excretion (REE), anovulation, abnormal luteal phase (ALP), and abnormal follicular phase (AFP) in women and abnormalities of LH, FSH, TSH, SHBG, inhibin-B and testosterone in men; (4) fecundability; and (5) pregnancy outcomes including spontaneous abortion, preterm delivery, low birth weight, and intrauterine growth retardation.
Details:
Eligibility:
Study Type: Observational, Natural History, Longitudinal, Defined Population, Prospective Study
Minimum Age/Maximum Age: 20 Years/34 Years
Genders: Both
Protocol Entry Criteria: Inclusion Criteria: - it must be the first marriage for both the woman and her husband and they must currently live in the study area; - the female's age must range from 20 to 34 years; - the couple has no plan to leave the study area in which they live for the next two years. Exclusion Criteria: - those who are currently pregnant; - those who have tried unsuccessfully to get pregnant for at least 1 year; - those who are current or former smokers; - those who plan to move in the coming year.
Total Enrollment:
Location and Contact Information:
Anhui Medical University
Anqing City, Anhui Province,
China
Additional Information:
Study ID Numbers: 8957-CP-001;
Study Start Date:
Record last reviewed: September 2002
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00046124
Other Menstruation Disorders Studies:
1. Organophosphate Pesticides and Human Reproductive Health
Related Studies:
Other Menstruation Disorders Clinical Trials
Other Anhui Province Clinical Trials
Other Anqing City Clinical Trials
Organophosphate Pesticides and Human Reproductive Health
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