Hormone Patterns in Early Human Gestation

  • Daniel R. MishellJr.
  • Ian H. Thorneycroft
  • Yukihiro Nagata
  • Takaaki Murata
  • Robert M. Nakamura
Part of the Basic Life Sciences book series (BLSC, volume 4)


Accurate measurement of the low concentration of gonadotropins and steroid hormones present in human serum has been made possible by the development of sensitive radioimmunoassay (RIA) techniques; With the use of RIA FSH and LH, progesterone and 170H-progesterone have been previously measured in early normal pregnancy (Jaffe et al., 1969; Parlow et al., 1970; Wide, 1969). In order to determine the daily pattern of hormone levels in early normal pregnancy, gonadotropins as well as steroid hormone levels were measured in serum samples obtained daily from three women from the time of the last menstrual period prior to conception throughout the first few months of gestation.


Early Pregnancy Corpus Luteum Normal Pregnancy Progesterone Level Early Gestation 


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Copyright information

© Springer Science+Business Media New York 1974

Authors and Affiliations

  • Daniel R. MishellJr.
  • Ian H. Thorneycroft
    • 1
  • Yukihiro Nagata
    • 1
  • Takaaki Murata
    • 1
  • Robert M. Nakamura
    • 1
  1. 1.Department of Obstetrics and GynecologyUniversity of Southern California School of MedicineLos AngelesUSA

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