() III-3 159 In a nested case-control study Vitamin D levels were similar in women who of 2,496 pregnant women, we developed preeclampsia, 52.2 +/- 20.5 nmol/L, identified 39 women who and controls, 48.6 +/- 20.5 nmol/L, p = 0.3. In developed preeclampsia and addition, vitamin D deficiency (<50 nmol/L) was 120 non-preeclamptic controls found in a similar proportion of control group (51.7%) as those with severe preeclampsia (41.2%). Our data do not support the hypothesis that vitamin D deficiency in early pregnancy is associated with preeclampsia, but we cannot rule out a relation later in gestation. () IV 1,550 Among pregnant women in a There was no association between early vitamin D Deficient:<50 maternity service that deficiency and preeclampsia (p = 0.64). nmol/L (n=849 Australian recommends routine [55%]) study antenatal screening and Insufficient: 50-74 advises supplementation nmol/L (n=571 where necessary, Vitamin D [37%]) serum concentrations were Replete: >75nmol/L measured in early and late (n=130 [8%]) pregnancy. The relationship between initial vitamin D status, maternal factors and pregnancy outcomes were estimated.
() III-3 159 In a nested case-control study of 2,496 pregnant women, we identified 39 women who developed preeclampsia and 120 non-preeclamptic controls Vitamin D levels were similar in women who developed preeclampsia, 52.2 +/- 20.5 nmol/L, and controls, 48.6 +/- 20.5 nmol/L, p = 0.3. In addition, vitamin D deficiency (<50 nmol/L) was found in a similar proportion of control group (51.7%) as those with severe preeclampsia (41.2%). Our data do not support the hypothesis that vitamin D deficiency in early pregnancy is associated with preeclampsia, but we cannot rule out a relation later in gestation. () IV Australian study 1,550 Among pregnant women in a maternity service that recommends routine antenatal screening and advises supplementation where necessary, Vitamin D serum concentrations were measured in early and late pregnancy. The relationship between initial vitamin D status, maternal factors and pregnancy outcomes were estimated. There was no association between early vitamin D deficiency and preeclampsia (p = 0.64). Deficient:<50 nmol/L (n=849 [55%]) Insufficient: 50-74 nmol/L (n=571 [37%]) Replete: >75nmol/L (n=130 [8%])
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