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Department of Public Health, Environmental Medicine, University of Southern Denmark, Odense, Denmark
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Department of Obstetrics and Gynecology, Herlev Hospital, Copenhagen, Denmark
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Department of Medical Endocrinology, Odense University Hospital, Odense, Denmark
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Hans Christian Andersen Children’s Hospital, Odense University Hospital, Odense, Denmark
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Background
Low foetal vitamin D status may be associated with higher blood pressure (BP) in later life.
Objective
To examine whether serum 25-hydroxyvitamin D2+3 (s-25OHD) in cord and pregnancy associates with systolic and diastolic BP (SBP; DBP) in children up to 3 years of age.
Design
Prospective, population-based cohort study.
Methods
We included 1594 singletons from the Odense Child Cohort with available cord s-25OHD and BP data at median age 3.7 months (48% girls), 18.9 months (44% girls) or 3 years (48% girls). Maternal s-25OHD was also assessed at gestational ages 12 and 29 weeks. Multiple regression models were stratified by sex a priori and adjusted for maternal educational level, season of birth and child height, weight and age.
Results
In 3-year-old girls, SBP decreased with −0.7 mmHg (95% CI −1.1; −0.3, P = 0.001) and DBP with −0.4 mmHg (95% CI −0.7; −0.1, P = 0.016) for every 10 nmol/L increase in cord s-25OHD in adjusted analyses. Moreover, the adjusted odds of having SBP >90th percentile were reduced by 30% for every 10 nmol/L increase in cord s-25OHD (P = 0.004) and by 64% for cord s-25OHD above the median 45.1 nmol/L (P = 0.02). Similar findings were observed between pregnancy s-25OHD and 3-year SBP, cord s-25OHD and SBP at 18.9 months, and cord s-25OHD and DBP at 3 years. No consistent associations were observed between s-25OHD and BP in boys.
Conclusion
Cord s-25OHD was inversely associated with SBP and DBP in young girls, but not in boys. Higher vitamin D status in foetal life may modulate BP in young girls. The sex difference remains unexplained.
International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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interest. Yet, the LH/FSH ratio and its sex-dimorphisms remain not fully described in patients. With newly published cutoff values for the LH/FSH ratio for the entire first year of life ( 3 ), it is now more feasible for a study to explore the marker
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Department of Pharmacology, Dalhousie University, Halifax, Nova Scotia, Canada
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Y. Decreased serum chemerin levels in male Japanese patients with type 2 diabetes: sex dimorphism . Endocrine Journal 2013 60 37 – 44 . ( doi:10.1507/endocrj.EJ12-0201 ) 57 Weigert J Obermeier F Neumeier M Wanninger J
