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Severe COVID 1.8 X more likely in pregnant women with less than 15 ng of vitamin D – Nov 2022


Correlation between 25-hydroxy vitamin D levels and COVID-19 severity in pregnant women: a cross-sectional study

J Matern Fetal Neonatal Med . 2022 Dec;35(25):8817-8822. doi: 10.1080/14767058.2021.2005564 PDF is behind a $59 paywall
B Seven 1 , O Gunduz 1 , A S Ozgu-Erdinc 1 2 , Dilek Sahin 1 2 , O Moraloglu Tekin 1 2 , H L Keskin 1 2

Objective: To evaluate the relationship between 25-hydroxy vitamin D (25(OH)D) levels and disease severity in hospitalized COVID-19 positive pregnant women.

Methods: The COVID-19 (+) pregnant women (confirmed by PCR test) were classified as asymptomatic, mild symptomatic, and severe disease according to their symptoms and laboratory results. Severe COVID-19 criteria were respiratory symptoms and/or findings. The following laboratory results were considered as poor prognostic factors: the number of lymphocytes <800/µl and/or CRP value >10 times the upper limit of the normal range and/or ferritin value >500 ng/ml and/or D-Dimer value >1000 µg/l. The patients were divided into two groups; asymptomatic or mild symptomatic group (Group 1), and severe disease and/or poor prognostic factor group (Group 2). The 25(OH)D levels were compared between groups. ROC curve analysis was used to analyze the cutoff value for vitamin D to predict the severity of COVID-19.

Results: 25(OH)D levels were found to be statistically significantly lower in group 2 (15.5 (10.25) ng/ml in Group 1, 13 (12) ng/ml in Group 2, p = .010). The 25(OH)D level under 14.5 ng/ml was associated with severe COVID-19 and/or poor prognostic factors (p = .010).
The risk of severe COVID-19 and/or having poor prognostic factors was 1.87 times higher among pregnant women who had 25(OH)D levels below 14.5 ng/ml. This value was found to have 54.1% sensitivity and 61.3% specificity in predicting severe COVID-19 and/or poor prognostic laboratory findings in pregnant women.

Conclusion: There is a relationship between vitamin D status and the severity of COVID-19 in pregnant women. During the pandemic period, vitamin D supplementation for pregnant women should gain more importance.


VitaminDWiki - 20 studies in both categories Virus and Pregnancy

This list is automatically updated


VitaminDWiki – COVID-19 treated by Vitamin D - studies, reports, videos

As of Nov 25, 2022, the VitaminDWiki COVID page had:  19 trial results,   37 meta-analyses and reviews,   Mortality studies   see related:   Governments,   HealthProblems,   Hospitals,  Dark Skins,   26 risk factors are ALL associated with low Vit D,   Recent Virus pages   Fight COVID-19 with 50K Vit D weekly   Vaccines   Take lots of Vitamin D at first signs of COVID   116 COVID Clinical Trials using Vitamin D (08/2022)
5 most-recently changed Virus entries

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VitaminDWiki – 26 health factors increase the risk of COVID-19 – all are proxies for low vitamin D includes pregnancy

CDC: Confirms Low Vitamin D
VitaminDWiki and other
Cancer VitaminDWiki 7X
Chronic kidney diseaseVitaminDWiki
COPD & other lung problemsPneumonia - VDW
Lung Death 4X
Down Syndrome VitaminDWiki - deficiency
Heart conditionsVitaminDWiki
Immunocompromised stateVitamin D helps organ transplant
Cancer - After diagnosis
Obesity Overview Obesity and Vitamin D
PregnancyOverview Pregnancy and vitamin D
Sickle cell diseaseOverview Sickle Cell and Vitamin D
Smoking Smoking reduces vitamin D - many studies
Diabetes T2VitaminDWiki
CDC: Might be factors
Asthma Overview Asthma and Vitamin D
Cerebrovascular disease Cardiovascular   Stroke
Cystic fibrosisCystic Fibrosis
Hypertension VitaminDWiki
ACE inhibitors VitaminDWiki 4X
Neurologic conditions,
such as dementia
Overview Alzheimer's-Cognition and Vitamin D
Liver diseaseOverview Liver and vitamin D
Pulmonary fibrosisPulmonary Fibrosis
Thalassemia VitaminDWiki - deficiency
Diabetes T1 T1 Diabetes
CDC: Still fails to mention
AgeOverview Seniors and Vitamin D
Nursing HomeWikipedia
PrisonsWikipedia
Dark SkinVitaminDWiki
Vertebral Fracture VitaminDWiki
Shift workVitaminDWiki 2X
Mood disorders Note:
Low D ==> depression
1.5X increase in COVID-19 death
Concealing clothingVitaminDWiki 3.5X
Schizophrenia 3X mortalityVitaminDWiki Low D since birth

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Sometimes A health problem will cause a Vitamin D deficiency
Sometimes A Vitamin D deficiency will cause another health problem
AlwaysStop a vitamin D deficiency to avoid getting additional health problems


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