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Vitamin D deficiency at the time of delivery - Prevalence and risk of postpartum infections.
Linköpings universitet, Institutionen för klinisk och experimentell medicin. Linköpings universitet, Medicinska fakulteten. Department of Obstetrics and Gynecology, Ryhov County Hospital, Jönköping, Sweden.
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för barns och kvinnors hälsa. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Barn- och kvinnocentrum, Kvinnokliniken i Linköping.
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för barns och kvinnors hälsa. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Barn- och kvinnocentrum, Kvinnokliniken i Linköping.
2019 (Engelska)Ingår i: PLOS ONE, E-ISSN 1932-6203, Vol. 14, nr 12, artikel-id e0226673Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

BACKGROUND: Postpartum infections are a common cause of morbidity after childbirth. Vitamin D deficiency has been shown to increase the risk for several infections in a non-pregnant population. Vitamin D deficiency has been described as common in pregnant women.

OBJECTIVE: To investigate whether vitamin D deficiency in pregnant women in labor was associated with an increased risk of overall postpartum infectious morbidity within eight weeks of delivery. A secondary aim was to estimate the prevalence of vitamin D deficiency among pregnant women in Linköping, Sweden at the time of delivery.

MATERIAL AND METHODS: Serum vitamin D levels in labor were analyzed for 1397 women. Vitamin D deficiency was defined as serum levels <50 nmol/L. All ICD-10 codes given to the women eight weeks postpartum were reviewed and postpartum infections were defined as the presence of an ICD-10 code suggestive of infection. The prevalence of postpartum infections among women with sufficient vitamin D levels was compared with women with vitamin D deficiency. Adjusted Odds Ratios and 95% confidence intervals for postpartum infections were calculated using multivariate logistic regression analysis.

RESULTS: Fifty eight per cent of the women had serum vitamin D levels <50 nmol/L. The proportion of women with vitamin D deficiency varied, as expected, with season. No association between vitamin D deficiency and postpartum infections was found. For vitamin D 25-50 nmol/L the adjusted Odds Ratio was 0.85 (95% confidence interval 0.56-1.29) and for vitamin D <25 nmol/L the adjusted Odds Ratio was 1.15 (95% confidence interval 0.66-2.03). Women who smoked or who had a cesarean section had an increased risk of postpartum infections.

CONCLUSIONS: Vitamin D deficiency was more common than previously reported in Swedish pregnant women. No association between vitamin D deficiency and postpartum infections was found. Other well-known risk factors for postpartum infection were identified.

Ort, förlag, år, upplaga, sidor
2019. Vol. 14, nr 12, artikel-id e0226673
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:liu:diva-163756DOI: 10.1371/journal.pone.0226673ISI: 000534249400057PubMedID: 31856242OAI: oai:DiVA.org:liu-163756DiVA, id: diva2:1394608
Anmärkning

Funding agencies: Futurum - the academy for healthcare, Region Jonko ping County, Sweden [879861, 711011, 712481]; ALF grants, Region Ostergotland, Sweden [LIO-794921, LIO-792621]

Tillgänglig från: 2020-02-19 Skapad: 2020-02-19 Senast uppdaterad: 2021-06-14

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Brynhildsen, JanBlomberg, Marie

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