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Plasma Oxytocinase Activity, Œstriol and Pregnanediol Excretion and the Effect of Induction of Labour

Plasma Oxytocinase Activity, Œstriol and Pregnanediol Excretion and the Effect of Induction of... BY PETTER FYLLING In a recent paper the results of a study of the plasma oxytocinase activity during induction of labour were presented (F y 1ling, 1963). No correlation was found between the oxytocinase level and the effectiveness of the induction procedure. Therefore, changes in oxytocinase activity may be of minor importance in keeping the uterus at rest during pregnancy. It has been shown that estrogens and progesterone have opposing actions on the myometrium (C s a p 0, I 948, I 956, I 959 and 1961; Bengtsson, 1957;Berde, 1959;B o t e l l a - L l u s i a , 1960; F u c h s and Koch, 1961). The former enhances contraction, whereas the later inhibits this. The changes in hormonal activity during pregnancy are very pronounced and such changes are regarded by many as being responsible for the onset of spontaneous labour (Mauzey, 1950; C s a p o , 1956 and 1961;S c h o f i e l d , 1957; B e n g t s s o n , 1957; F u c h s and Fuchs, 1958; K u m a r et aZ., 1962). The withdrawal http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Obstetricia Et Gynecologica Scandinavica Wiley

Plasma Oxytocinase Activity, Œstriol and Pregnanediol Excretion and the Effect of Induction of Labour

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References (8)

Publisher
Wiley
Copyright
1964 Acta Obstet Gynecol Scand
ISSN
0001-6349
eISSN
1600-0412
DOI
10.3109/00016346409158175
Publisher site
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Abstract

BY PETTER FYLLING In a recent paper the results of a study of the plasma oxytocinase activity during induction of labour were presented (F y 1ling, 1963). No correlation was found between the oxytocinase level and the effectiveness of the induction procedure. Therefore, changes in oxytocinase activity may be of minor importance in keeping the uterus at rest during pregnancy. It has been shown that estrogens and progesterone have opposing actions on the myometrium (C s a p 0, I 948, I 956, I 959 and 1961; Bengtsson, 1957;Berde, 1959;B o t e l l a - L l u s i a , 1960; F u c h s and Koch, 1961). The former enhances contraction, whereas the later inhibits this. The changes in hormonal activity during pregnancy are very pronounced and such changes are regarded by many as being responsible for the onset of spontaneous labour (Mauzey, 1950; C s a p o , 1956 and 1961;S c h o f i e l d , 1957; B e n g t s s o n , 1957; F u c h s and Fuchs, 1958; K u m a r et aZ., 1962). The withdrawal

Journal

Acta Obstetricia Et Gynecologica Scandinavica – Wiley

Published: Jan 1, 1964

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