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Human Reproduction 2007 22(10):2792-2793; doi:10.1093/humrep/dem194
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© The Author 2007. Published by Oxford University Press on behalf of the European Society of Human Reproduction and Embryology. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Letters to the Editor

Reply: Maternal lead exposure, secondary sex ratio and dose-exposure fallacy

Marc G. Weisskopf1,5, Jennifer Weuve1, John Jarrell2, Howard Hu3, Maria Martha Téllez-Rojo4 and Mauricio Hernández-Avila4

1 Environmental and Occupational Medicine and Epidemiology Program, Harvard School of Public Health, Landmark Center, 401 Park Dr, PO Box 15697, Boston, MA 02215, USA 2 University of Calgary, Canada 3 School of Public Health, University of Michigan, Ann Arbor, USA 4 Instituto Nacional de Salud Publica, Mexico City, Mexico

5 Correspondence address: Tel: +617-384-8872; Fax: +617- 384-8994; E-mail: mweissko@hsph.harvard.edu

The first 10% of the full text of this article appears below.

Sir,

We appreciate the comments and suggestions of Dr Jongbloet who points out that the increase in the sex ratio among children of those mothers in the third quintile of blood lead measurements in our data (Jarrell et al., 2006Go) may represent changes predicted by the overripeness ovopathy concept (Jongbloet, 2004Go). We . . . [Full Text of this Article]


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