Exposure of Newborn Male and Female Rats to Environmental Estrogens: Delayed and Sustained Hyperprolactinemia and Alterations in Estrogen Receptor Expression**This work was supported by NIH Grants ES-09555, ES-10154, and CA-80920; March of Dimes Grant 6-FY98–0159; and a grant from the Pardee Foundation. Preliminary results of this investigation were presented at the 82nd Annual Meeting of The Endocrine Society, Toronto, Canada, June 2000.