Plasma Progesterone Levels in Normal and Abnormal Early Human Pregnancy**Presented at the Thirty-Fourth Annual Meeting of The American Fertility Society, March 29 to April 1, 1978, New Orleans, La.

1978 ◽  
Vol 30 (4) ◽  
pp. 398-402 ◽  
Author(s):  
Ewa Radwanska ◽  
John Frankenberg ◽  
Elizabeth I. Allen
Keyword(s):  
New Orleans ◽  
Annual Meeting ◽  
Plasma Progesterone ◽  
Human Pregnancy ◽  
American Fertility Society ◽  
Early Human

PROPRANOLOL-BLOCKADE OF VASOPRESSIN INDUCED INCREASE IN PLASMA PROGESTERONE IN EARLY HUMAN PREGNANCY

1971 ◽  
Vol 66 (2) ◽  
pp. 283-288 ◽  
Author(s):  
Petter Fylling
Keyword(s):  
Cyclic Amp ◽  
Uterine Cervix ◽  
Adenosine Monophosphate ◽  
First Trimester ◽  
Blocking Agent ◽  
Simultaneous Administration ◽  
Plasma Progesterone ◽  
Human Pregnancy ◽  
Peripheral Plasma ◽  
Early Human

ABSTRACT Following continuous dilation of the uterine cervix or intravenous infusion of vasopressin during the first trimester of human pregnancy, a marked increase in the peripheral plasma progesterone levels was observed. This effect was blocked by simultaneous administration of propranolol (Inderal®), a β-blocking agent. It is suggested that both these stimulating and inhibiting effects might be related to 3′, 5′-adenosine monophosphate (cyclic AMP). The results indicate the existence of β-receptors in steroid producing tissues.

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