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J Occup Environ Med. 2008 Dec;50(12):1335-42. doi: 10.1097/JOM.0b013e31818f684d.

DDT exposure, work in agriculture, and time to pregnancy among farmworkers in California.

Author information

  • 1Center for Children's Environmental Health Research, School of Public Health, University of California, Berkeley, Calif 94704-7380, USA. kharley@berkeley.edu

Abstract

OBJECTIVE:

This study examined whether exposure to pesticides, including dichlorodiphenyltrichloroethane (DDT), was associated with longer time to pregnancy (TTP).

METHODS:

Pregnant women (N = 402) living in a migrant farmworker community were asked how many months they took to conceive. Women reported their and their partners' occupational and home pesticide exposure preceding conception. In a subset (N = 289), levels of DDT and dichlorodiphenyldichloroethylene (DDE), were measured in maternal serum.

RESULTS:

No associations were seen with p, p'-DDT, o, p'-DDT, or p, p'-DDE. Maternal occupational pesticide exposure (fecundability odds ratios [fOR] = 0.8, 95% CI: 0.6 to 1.0), home pesticide use (fOR = 0.6, 95% CI: 0.4 to 0.9), and residence within 200 ft of an agricultural field (fOR = 0.7, 95% CI: 0.5 to 1.0) were associated with reduced fecundability (ie, longer TTP).

CONCLUSIONS:

Longer TTP was seen among women, but not men, reporting exposure to agricultural and home pesticides.

PMID:
19092487
[PubMed - indexed for MEDLINE]
PMCID:
PMC2684791
Free PMC Article

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