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)

Decreased body weight in females (males not measured)

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: gestational day 20 – single dose (comparable to human prenatal development from approximately day 1 of week 13 to day 1 of week 14)

Age of measurement: weaning

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.