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Environ Monit Assess. 2012 Jul;184(7):4223-32. doi: 10.1007/s10661-011-2257-6. Epub 2011 Jul 30.

Effects of pesticides used in agriculture on the development of precocious puberty.

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Department of Pediatric Endocrinology and Metabolism, Ege University School of Medicine, 35100, Bornova, Izmir, Turkey.


The present study aims to evaluate the effects of pesticides on premature breast development. Forty-five girls (group 1) with premature breast development living in the Menderes region, where greenhouse cultivation is the main income, 16 girls (group 2) living in Izmir city with early puberty, and 33 girls (group 3) who had no signs of puberty were included in the study. Endosulphan 1, endosulphan 2, endosulphan sulphate, methoxychlor, vinclozolin, 4,4-dichlorodiphenyldichlorethylene (DDE), 4,-dichlorodiphenyltrichloroethane (DDT), and 2,4-DDT were evaluated in the serum and adipose tissues of the groups by using a gas chromatography-mass spectrometry method. With the exception of 4,4'-DDE, the pesticides studied were undetectable in the serum and adipose tissue samples. The levels of basal luteinizing hormone (LH), stimulated LH, follicle-stimulating hormone, and the long axis of the uterus and both ovaries were significantly different in the girls who had premature thelarche and detectable 4,4'-DDE levels compared to the girls who had premature thelarche and undetectable 4,4'-DDE levels in serum and adipose tissues. The presence and levels of pesticides in serum and adipose tissues were not related to precocious puberty (PP). The mechanisms that lead to PP may also result in obesity, and obesity may be the underlying cause for PP in this group.

[Indexed for MEDLINE]

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