THE DISTRIBUTION OF PLACENTAL LACTOGEN IN THE HUMAN TERM PLACENTA

  1. Gillian Gau,
  2. T. Chard

Article first published online: 23 AUG 2005

DOI: 10.1111/j.1471-0528.1975.tb00575.x

Issue

BJOG: An International Journal of Obstetrics & Gynaecology

BJOG: An International Journal of Obstetrics & Gynaecology

Volume 82, Issue 10, pages 790–793, October 1975

Additional Information

How to Cite

Gau, G. and Chard, T. (1975), THE DISTRIBUTION OF PLACENTAL LACTOGEN IN THE HUMAN TERM PLACENTA. BJOG: An International Journal of Obstetrics & Gynaecology, 82: 790–793. doi: 10.1111/j.1471-0528.1975.tb00575.x

Author Information

  1. Departments of Obstetrics, Gynaecology and Reproductive Physiology St. Bartholomew's Hospital Medical College and the London Hospital Medical College and Department of Histopathology, Wycombe General Hospital

Publication History

  1. Issue published online: 23 AUG 2005
  2. Article first published online: 23 AUG 2005

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Summary

Serial frozen sections of human term placentae were examined by quantitative morphology and, after extraction, by a radioimmunoassay for human placental lactogen (HPL). The total quantity of HPL in the placenta was estimated as 720 mg. The amount of HPL was related to the amount of trophoblast in any area, but otherwise did not vary in different parts of the placenta. A semi-logarithmic relationship was observed between the amount of HPL and the percentage trophoblast in a section. It is suggested that the amount of HPL in a given area of the placenta is related to the blood-flow in that area.

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