a trend toward significancep = 0.056
Women with a small increase in 25OHD (0–30 nmol/L) had significantly higher OR of SGA (OR = 2.6, p = 0.019) and preterm delivery (OR = 2.9, p = 0.047) as well as a trend toward significance for LBW (OR = 3.1, p = 0.056), compared to women with a large increase.