Free Estrone, Estradiol, Estriol, Progesterone and Total Corticosteroids Levels during Pregnancy, Labor and Puerperium

Shimane journal of medical science Volume 5 Issue 1 Page 47-52 published_at 1981-06-01
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Title
Free Estrone, Estradiol, Estriol, Progesterone and Total Corticosteroids Levels during Pregnancy, Labor and Puerperium
Creator
Kitao Manabu
Hasegawa Kiyoshi
Iba Nobuyuki
Murao Fuminori
Matsunaga Isao
Source Title
Shimane journal of medical science
Volume 5
Issue 1
Start Page 47
End Page 52
Journal Identifire
ISSN 03865959
EISSN 24332410
Descriptions
In 9 women with a normal pregnancy, delivery and puerperium, measurement was made of free estrone (E_1), free estradiol (E_2), free estriol (E_3), free progesterone (P) and total corticosteroids (CDS), continuously in each period. The maternal blood E_1,E_2,E_3,P and CDS levels at 39 weeks' gestation were higher and the concentration of three fractions of estrogen was higher in the order of E_2>E_3>E_1. When a comparison was made of maternal blood levels of various hormones at 39 weeks' gestation and at the onset of labor, a significant increase in E_1 and CDS was observed at the onset of labor. As for maternal blood levels of various hormones with the advance of delivery, an increase in E_1 and CDS was observed at expulsion of the fetus, and the concentration of three fractions of maternal blood estrogen at this time was higher, in the order of E_1>E_2>E_3. Maternal blood levels of various hormones after the expulsion of the placenta decreased rapidly. Particularly, E_2 and E_3 showed a marked decrease, thus suggesting that the fetoplacenta is closely concerned with the production of maternal blood E_2 and E_3.
Subjects
serum estrogen
progesterone
corticosteroids
Language
eng
Resource Type departmental bulletin paper
Publisher
Shimane Medical University
Date of Issued 1981-06-01
Publish Type Version of Record
Access Rights open access
Relation
[NCID] AA00841586