• The association between infant salivary cortisol and parental presence in the neonatal intensive care unit during and after COVID-19 visitation restrictions: A cross-sectional study 

      Brekke, Stine Marie; Halvorsen, Silje Torp; Bjørkvoll, Julie; Thorsby, Per Medbøe; Rønnestad, Arild Erland; Zykova, Svetlana; Bakke, Liv Hanne; Dahl, Sandra Rinne; Haaland, Kirsti; Siw Helen, Westby Eger; Solberg, Marianne Trygg; Solevåg, Anne Lee (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-05-07)
      Objectives: Parent-infant interaction in the neonatal intensive care unit (NICU) promotes health and reduces infant stress. During the COVID-19 pandemic, however, NICUs restricted parent-infant interaction to reduce viral transmission. This study examined the potential relationship between pandemic visitation restrictions, parental presence and infant stress as measured by salivary cortisol. Methods: ...
    • 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 ...