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Table 2 Seasonal difference between serum vitamin D indicators

From: Early pregnancy vitamin D and the risk of adverse maternal and infant outcomes: a retrospective cohort study

 

Detected Season

P

spring & summer

autumn & winter

25(OH)D, nmol/L

55.2 ± 10.2

52.0 ± 9.68

< 0.001

25(OH)D2, nmol/L

5.59 ± 2.53

5.20 ± 0.97

< 0.001

25(OH)D3, nmol/L

49.6 ± 9.19

46.7 ± 8.71

< 0.001

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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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