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[Iron and copper content in whole blood in parturients with weak labor activity during the 1st period of labor]

https://arctichealth.org/en/permalink/ahliterature66852
Source
Pediatr Akus Ginekol. 1967 Mar-Apr;2:40-3
Publication Type
Article

[Some data on the course of labor and oxytocin activity of the blood serum in women with weak contraction of the uterus]

https://arctichealth.org/en/permalink/ahliterature66919
Source
Pediatr Akus Ginekol. 1966 May-Jun;3:39-44
Publication Type
Article
Author
G K Shkol'nii
Source
Pediatr Akus Ginekol. 1966 May-Jun;3:39-44
Language
Ukrainian
Publication Type
Article
Keywords
Animals
Dystocia - blood
Female
Guinea Pigs
Humans
Oxytocin - blood
Pregnancy
Uterine Inertia - blood
PubMed ID
5990365 View in PubMed
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Vitamin D and the risk of dystocia: A case-control study.

https://arctichealth.org/en/permalink/ahliterature304484
Source
PLoS One. 2020; 15(10):e0240406
Publication Type
Journal Article
Research Support, Non-U.S. Gov't
Date
2020
Author
Christine Rohr Thomsen
Ioanna Milidou
Lone Hvidman
Mohammed Rohi Khalil
Lars Rejnmark
Niels Uldbjerg
Author Affiliation
Department of Obstetrics and Gynecology, Aarhus University Hospital, Aarhus, Denmark.
Source
PLoS One. 2020; 15(10):e0240406
Date
2020
Language
English
Publication Type
Journal Article
Research Support, Non-U.S. Gov't
Keywords
Adult
Case-Control Studies
Cesarean Section
Denmark - epidemiology
Dystocia - blood - epidemiology - etiology
Female
Humans
Labor Onset - blood
Maternal Age
Parathyroid Hormone - blood
Pregnancy
Vitamin D - analogs & derivatives - blood
Vitamin D Deficiency - blood - epidemiology
Abstract
Dystocia is one of the most common causes of cesarean section in nulliparous women. Studies have described the presence of vitamin D receptors in the myometrium, but it is still unclear whether vitamin D affects the contractility of the smooth muscles. We therefore aimed to determine the association between the vitamin D serum level at labor and the risk of dystocia.
We conducted a case-control study between January 2012 and June 2017. Cases were primiparous women, with spontaneous onset of labor, who gave birth by cesarean section due to dystocia. Controls were primiparous women with a spontaneous vaginal delivery. We included 60 women (30 cases and 30 controls) in the analysis. The differences between cases and controls were assessed using chi-squared test for categorical variables and two-sample t-test or unequal t-test for continuous variables, as appropriate, after evaluation of whether they followed the normal distributions.
The mean serum 25-hydroxyvitamin D concentrations were 53.1nmol/l (95%CI; 45.2 to 60.9) among cases and 69.9nmol/l (95%CI; 57.5 to 82.4) among controls (P = 0.02). The mean plasma parathyroid hormone levels were 2.25 pmol/l and 2.38, respectively (P = 0.57). Even though 78% of all women reported taking a minimum of 10µg/day of vitamin D throughout pregnancy, 43% had vitamin D insufficiency, defined as serum 25-hydroxyvitamin D levels below 50nmol/l.
In a Danish group of women having a cesarean section due to dystocia, we found decreased vitamin D levels.
PubMed ID
33052935 View in PubMed
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