Abstract：
:We conducted a study in Egypt to assess the determinants of organochlorine serum levels among premenopausal women and the risk of premenopausal breast cancer for women with high organochlorine serum levels. We included 69 breast cancer patients and 53 controls consisting of visitors to the hospitals of the cancer patients. We found low levels of dichlorodiphenyldichloroethylene (DDE), total dichlorodiphenyltrichloroethane, and beta-hexacholorhexane (beta-HCH) in most subjects. Mean DDE levels were 12.7 +/- 20.3 ppb for cases and 16.6 +/- 30.1 ppb for controls (P = 0.60); beta-HCH levels were 2.1 +/- 3.8 ppb for patients and 2.1 +/- 3.9 ppb for controls (P = 0.71). Interestingly, subjects with low levels had breast fed their children for an average period of 18 months. Women with no lactation history had much higher organochlorine levels than women who breast fed (P = 0.002 for DDE). Younger age, older age at first childbirth, and shorter duration of breast feeding were significant predictors of higher levels of serum DDE levels. Younger age, older age at first childbirth, and higher body mass index were significant predictors of higher beta-HCH levels. This study suggests that organochlorine serum levels in Egyptian women are quite low, but indicates an effect of breast feeding in eliminating organochlorines, which would imply exposure to children. Organochlorine serum level was not a risk factor of breast cancer in this population.
journal_name
Environ Resjournal_title
Environmental researchauthors
Soliman AS,Wang X,DiGiovanni J,Eissa S,Morad M,Vulimiri S,Mahgoub KG,Johnston DA,Do KA,Seifeldin IA,Boffetta P,Bondy MLdoi
10.1016/s0013-9351(02)00056-7subject
Has Abstractpub_date
2003-06-01 00:00:00pages
110-7issue
2eissn
0013-9351issn
1096-0953pii
S0013935102000567journal_volume
92pub_type
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