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Vitamin D and Physical Performance Before and After Intervention and Birth Outcome in Pregnant Somali and Swedish Women

Vitamin D Deficiency Clinical Trial

Official title:
Vitamin D and Physical Performance Before and After Intervention and Birth Outcome in Pregnant Somali and Swedish Women

Clinical Trial Summary

Somali migrant women, often in veiled clothing, living in a town in mid Sweden on the 60:th parallel were observed to be weak and to have a waddling gate.

Study 1 was carried out in the setting of an antenatal clinic administered from a primary care center in Borlänge, a Swedish middle-sized industrial town at the 60:th parallel in Sweden. The investigators chose an initial study period in late spring to reflect the effects of the dark season with little ultraviolet B radiation that affects vitamin D production. Study 1 was carried out in a short period of time. The recruitment was performed in a retrospective design in order to neglect the seasonal effects of ultraviolet B radiation. Study 1 was carried out in year 2010. It was a cross sectional baseline study of blood levels of vitamin D measured as 25-hydroxyvitamin D (25-OHD) and physical performance in 123 pregnant and new mothers from Somalia (n=52) and Sweden (n=71).

Study 2: Examines the results on muscular performance, i.e. grip strength and squatting ability, from intervention with advice and prescription of vitamin D3 and calcium for 10 months, in all the women from study 1 with 25-OHD levels <50 nmol/L or 50 nmol/L of 25-OHD.

Study 3: The recruitment to Study 1 also serves as recruitment for a cohort study on delivery outcome in birth protocols starting 2016.

Study 4: The aim is to study the emic perspective and lifestyle related to vitamin D and strength in the group of Somali women by focus interviews among the Somali women from above.

A possible fifth study will explore correlations between 25-OHD and pain distribution and pain parameters.

Clinical Trial Description

n/a

Study Design

Allocation: Non-Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02922803
Study type Interventional
Source Uppsala University
Contact
Status Completed
Phase N/A
Start date May 2010
Completion date August 2016
View Details
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