Document Detail

Estradiol and progesterone profiles indicate a lack of endocrine recognition of pregnancy in the opossum.
MedLine Citation:
PMID:  7233228     Owner:  NLM     Status:  MEDLINE    
Concentrations of estradiol and progesterone in blood collected during the 12.5-day gestation period of the Virginia opossum were not significantly different from those during equivalent days of the estrous cycle. Progesterone was correlated with an index of corpora luteral mass. Ratio of estradiol to progesterone were highest 3 to 4 days before estrus and on the day of parturition.
J D Harder; M W Fleming
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  212     ISSN:  0036-8075     ISO Abbreviation:  Science     Publication Date:  1981 Jun 
Date Detail:
Created Date:  1981-07-23     Completed Date:  1981-07-23     Revised Date:  2007-03-19    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1400-2     Citation Subset:  IM    
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MeSH Terms
Corpus Luteum / physiology
Estradiol / blood*
Opossums / physiology*
Pregnancy, Animal*
Progesterone / blood*
Species Specificity
Reg. No./Substance:
50-28-2/Estradiol; 57-83-0/Progesterone

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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