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Cited by 64Reproductive Biology and FertilityReproductive Physiology in LivestockReproductive System and Pregnancy

The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.

EMBRYONIC MORTALITY DURING THE PRE- AND POST-IMPLANTATION PERIODS OF PREGNANCY IN MATURE MICE AFTER SUPEROVULATION

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BEAUMONT, HEATHER M., SMITH, AGNES F.·1975·Reproduction
DOI 10.1530/jrf.0.0450437
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Abstract

Summary.: Sexually mature mice were stimulated to superovulate by giving exogenous gonadotrophins at known stages of the oestrous cycle. Untreated animals which ovulated spontaneously served as controls. The number of oocytes ovulated by each female was estimated from counts of the number of CL of pregnancy, and the incidence of embryonic mortality during the pre- and post-implantation stages of pregnancy was assessed from the number of zygotes recovered from the reproductive tract at 2·0 and 4·0 days post coitum and of conceptuses examined at 7·5 and 11·5 days post coitum. The mean number of oocytes ovulated by treated animals was 39·54, compared with 12·80 in controls: in mice which had superovulated, 44% of the ova were lost before implantation compared with about 10% in the controls. Further losses occurred about the time of implantation and at mid-pregnancy and thus the number of embryos classified as normal rarely exceeded the maximum found in controls. Death at mid-pregnancy seemed to be preceded by developmental retardation. The possibility that genetic and environmental factors play a role in embryonic loss after superovulation is discussed.

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Research works printed but not linked: 2

  1. Snell,J. & Stevens, L. (1966) Early embryology. In Biology ofthe Laboratory Mouse, Ch. 12. pp. 205-245.
  2. Ed. E. L. Green. McGraw-Hill, New York.

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Metadata

Authors
BEAUMONT, H. M., & SMITH, A. F.
Affiliations
University of Birmingham (GB)
Venue
Reproduction
Publisher
Oxford University Press (OUP)
Published
1975-12-01
Volume
45
Issue
3
Pages
437-448
ISSN
  • 1470-1626 (ISSN-L)
  • 1741-7899
DOI
10.1530/jrf.0.0450437
OpenAlex
W2041647799
Cited by
64
References
22
Citations by year
2026: 1 · 2023: 1 · 2022: 1 · 2021: 2 · 2020: 1 · 2019: 3 · 2017: 4 · 2015: 4 · 2014: 3 · 2013: 1 · 2012: 1
FWCI
2.65
Type
journal article
Language
en
Open access
Licence
academic.oup.com/pages/standard-publication-reuse-rights (vor)
Locations
  • Reproduction (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Reproductive Biology and Fertility
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Reproductive Physiology in Livestock
  • Life Sciences › Immunology and Microbiology › Immunology › Reproductive System and Pregnancy
Keywords
embryonic mortality, superovulation, gonadotropins, oocyte loss, implantation, estrous cycle, developmental delay, conceptus, mice
MeSH terms
Animals, Cell Count, Corpus Luteum, Female, Fetal Death, Ovulation, Pregnancy, Pregnancy, Animal, Superovulation, Time Factors, Uterus, Embryo Loss, Embryonic Development, Mice

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