Fig 1.
Flow diagram of the study population.
Table 1.
Baseline characteristics of the pregnant women.
Data are presented as the means and standard deviation (SD) or proportions (%).
Table 2.
Plasma concentrations of 25(OH)D in women during pregnancy and after birth.
Data are presented as the means and standard deviations (SD) or proportions (%) according to 25(OH)D category.
Table 3.
Plasma concentrations of vitamin D during pregnancy and after birth.
Data are presented in mean and standard deviation (SD).
Table 4.
Results of the multivariate linear mixed model analyses of factors related to plasma concentrations of vitamin D in women during pregnancy and after birth.
Fig 2.
Vitamin D levels (nmol/L) in pregnant women divided by the month of first blood sampling.
Each line represents one women and her vitamin D levels at 12 weeks after conception (occasion 1), at gestational weeks 21 (occasion 2) and 35 (occasion 3), and at 12 (occasion 4) and 29 (occasion 5) weeks post-partum. The mean gestational length was 39.4 weeks.