Blar i forfatter "Figenschau, Professor Yngve"

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    • Combined hormonal contraceptives and vitamin D metabolism in adolescent girls 

      Öberg, Eva Gunnel Johanna; Jorde, Rolf; Figenschau, Professor Yngve; Thorsby, Per Medbøe; Dahl, Sandra Rinne; Winther, Anne; Grimnes, Guri (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-31)
      Objective: Combined hormonal contraceptive (CHC) use has been associated with higher total 25-hydroxyvitamin D (25(OH)D) levels. Here, we investigate the relation between CHC use and vitamin D metabolism to elucidate its clinical interpretation. <p>Methods: The cross-sectional Fit Futures 1 included 1038 adolescents. Here, a subgroup of 182 girls with available 25(OH)D, 1,25-dihydroxyvitamin D ...