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Sugiura-Ogasawara M, Ozaki Y, Sonta S, Makino T, Suzumori K: PCBs, hexachlorobenzene and DDE are not associated with recurrent miscarriage. Am J Reprod Immunol. 2003 Dec;50(6):485-9.
PROBLEM: A case-control study was designed to evaluate any associations between high exposure to polychlorinated biphenyls (PCB), hexachlorobenzene (HCB) and the 1,1,1,-trichloro-2,2-bis (p-chlorophenyl) ethane (DDT) metabolite 1,1-dichloro-2,2-bis (p-chlorophenyl) ethylene (DDE) and recurrent miscarriage and immunoendocrine abnormalities. METHODS OF STUDY: A total of 18 kinds of co-planer PCBs, HCB, DDE, natural killer cell (NK) activity, antiphospholipid antibodies, antinuclear antibody, prolactin, progesterone, thyroid-stimulating hormone (TSH) and free T4 were examined in 45 patients with a history of three or more (3-11) consecutive first-trimester miscarriages and 30 healthy women with no history of live birth and infertility. RESULTS: There were no differences in mean +/- S.D. values in serum samples for PCBs, HCB and DDE between patients and controls. Hypothyroidism, hyperprolactinemia, luteal phase defects, NK cell activity and the presence of autoantibodies were also not associated with levels of any of the compounds in the patients. CONCLUSION: PCBs, HCB and DDE are not associated with miscarriage and immunoendocrine abnormalities in patients with a history of recurrent miscarriage. |
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