Indicators of developmental toxicity following prenatal administration of hormonally active compounds in the rat. I. Gestational length
作者:
Peggy L. Rands,
Randy D. White,
Melvin W. Carter,
Stanley D. Allen,
William S. Bradshaw,
期刊:
Teratology
(WILEY Available online 1982)
卷期:
Volume 25,
issue 1
页码: 37-43
ISSN:0040-3709
年代: 1982
DOI:10.1002/tera.1420250106
出版商: Wiley Subscription Services, Inc., A Wiley Company
数据来源: WILEY
摘要:
AbstractPrenatal administration of 3,4,3′,4′‐tetrachlorobiphenyl, zeranol, or diethylstilbestrol was observed to delay parturition in the rat and result in a concomitant increase in perinatal mortality. Even among control animals, those litters in which birth occurred after the beginning of day 22 of pregnancy contained significantly fewer survivors one day after birth. Increases in the length of gestation were correlated with increased weight of newborn control pups independent of litter size. The relationship between weight and litter size was anomalous, however, in treated animals. Gestational length is a sensitive indicator of a developmental effect even in the absence of overt teratogen
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