The weeks shown in color represent the start and end points of chemical exposure for each study.
| Study Results | Study Details | References |
Results for Dioxin (TCDD)Increased serum thyroid-stimulating hormone (TSH) with no change in T3 or T4 |
Subjects: Long-Evans rats Chemical: Dioxin (TCDD) Low doses tested: 1.0 μg/kg Route of administration: dissolved in corn oil and delivered through gavage Exposure duration: post-natal day 1 – single dose (comparable to human prenatal development from approximately day 1 of week 20 to day 1 of week 21) Age of measurement: 25 days of age |
Reference [PubMed Link] Fenton SE, Hamm JT, Birnbaum LS, Youngblood GL. 2002. Persistent abnormalities in the rat mammary gland following gestational and lactational exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). Toxicol Sci 67(1):63-74. |