Plasma oxytocin concentrations in the foetal sheep

M. Forsling, P. M.B. Jack, P. W. Nathanielsz

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Fetal plasma oxytocin has been measured by bioassay in samples taken from 6 chronically catheterized sheep fetuses between 128 days gestation and term. In 10 plasma samples, from five fetuses taken more than 50 hr before delivery, oxytocin was not measurable. Sensitivity of the assay varied with the volume of plasma extracted but was usually about 2 μU/ml. In the two animals in which samples were taken in the last few hr before the delivery of a live lamb, fetal plasma oxytocin concentrations were high.

Original languageEnglish (US)
Number of pages1
JournalHormone and Metabolic Research
Issue number2
StatePublished - Jan 1 1975
Externally publishedYes

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Biochemistry
  • Endocrinology
  • Clinical Biochemistry
  • Biochemistry, medical


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