{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T04:42:51Z","timestamp":1784954571604,"version":"3.55.0"},"reference-count":42,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2006,2,22]],"date-time":"2006-02-22T00:00:00Z","timestamp":1140566400000},"content-version":"vor","delay-in-days":21,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Birth Defects Research Pt B"],"published-print":{"date-parts":[[2006,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:bold>BACKGROUND:<\/jats:bold> Dimethoate (O,O\u2010dimethyl\u2010S\u2010(N\u2010methylcarbamoyl\u2010methyl) phosphorodithioate), an organophosphate insecticide, was examined for its potential to produce developmental toxicity in rats after oral administration. <jats:bold>METHODS:<\/jats:bold> Pregnant Fischer 344 rats were given sublethal doses of 0 (corn oil), 7, 15, and 28\u2009mg\/kg\/day dimethoate by gavage on gestation days (GD) 6\u201315. Maternal effects in 15 and 28\u2009mg\/kg\/day dose groups included cholinergic signs such as tremors, diarrhea, weakness, and salivation, and depression in the maternal and fetal brain acetylcholinesterase (AChE) activities. Other maternal toxicity that included reduction in body weight and feed consumption was observed only in the treated group of 28\u2009mg\/kg\/day. No maternal toxicity was apparent in the 7\u2009mg\/kg\/day dose group. <jats:bold>RESULTS:<\/jats:bold> Maternal exposure to dimethoate during organogenesis significantly affected the number of live fetuses, early resorption, and mean fetal weight in the 28\u2009mg\/kg\/day dose group. No external, visceral, and skeletal abnormalities were observed in any of the treated groups compared to the control. <jats:bold>CONCLUSIONS:<\/jats:bold> On the basis of the present results dimethoate can produce clinical signs of toxicity and significant inhibition of the maternal and fetal AChE activities in dose groups of 15 and 28\u2009mg\/kg\/day and showed fetotoxicity without teratogenic effects at 28\u2009mg\/kg\/day. <jats:italic>Birth Defects Res (Part B)<\/jats:italic> 77:40\u201346, 2006. \u00a9 2006 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/bdrb.20066","type":"journal-article","created":{"date-parts":[[2006,2,22]],"date-time":"2006-02-22T19:16:42Z","timestamp":1140635802000},"page":"40-46","source":"Crossref","is-referenced-by-count":28,"title":["Developmental toxicity of orally administered technical dimethoate in rats"],"prefix":"10.1002","volume":"77","author":[{"given":"Amina 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