Cited by 99Pregnancy and preeclampsia studiesBirth, Development, and HealthNeonatal and fetal brain pathology

Fetal growth retardation in rats from different levels of hypoxia

de Grauw, Ton J., Myers, Ronald E., Scott, William J.·2009·Biology of the Neonate

Abstract

Three groups of pregnant Wistar rats were subjected to 3 different levels of hypoxia: 11.6, 10.7 and 9.0%, respectively. Pair-fed and ad libitum fed control groups were included to control for the reduced food intake due to hypoxia. Within the range studied, fetal body weights decreased with decreased oxygen availability. Liver weights were more, brain weights less markedly reduced than body weights. Pair-fed but normally oxygenated animals showed slight reductions in body and organ weights compared to ad libitum fed controls. The fetuses subjected to hypoxia showed a placental hypertrophy relative to their body weights, while the least hypoxic fetuses showed an absolute placental hypertrophy. Placenta-fetal body ratios that were 150% greater than those observed in control animals were documented. In contrast, the fetuses of food-deprived animals were associated with abnormally small placentas.

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Crossref · 10.1159/000242515

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Authors
de Grauw, T. J., Myers, R. E., & Scott, W. J.
Affiliations
University of Cincinnati (US)
Venue
Biology of the Neonate
Publisher
S. Karger AG
Published
2009-09-24
Volume
49
Issue
2
Pages
85-89
ISSN
  • 0006-3126 (ISSN-L)
  • 1421-9727
OpenAlex
W2090559563
Cited by
98
References
0
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2023: 1 · 2022: 1 · 2021: 3 · 2020: 3 · 2018: 2 · 2017: 5 · 2016: 5 · 2015: 2 · 2014: 5 · 2013: 2 · 2012: 7
FWCI
7.65
Type
journal article
Language
en
Open access
closed
Locations
  • Biology of the Neonate (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Birth, Development, and Health
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Neonatal and fetal brain pathology
Keywords
fetal growth restriction, hypoxia, oxygen availability, placental hypertrophy, fetal weight, organ weight, food deprivation, pair feeding, pregnancy, Wistar rats
MeSH terms
Animals, Hypoxia, Female, Fetal Hypoxia, Fetal Growth Retardation, Pregnancy, Pregnancy Complications, Rats, Inbred Strains, Rats

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