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Attention doctorportal newsletter subscribers,

After December 2018, we will be moving elements from the doctorportal newsletter to MJA InSight newsletter and rebranding it to Insight+. If you’d like to continue to receive a newsletter covering the latest on research and perspectives in the medical industry, please subscribe to the Insight+ newsletter here.

As of January 2019, we will no longer be sending out the doctorportal email newsletter. The final issue of this newsletter will be distributed on 13 December 2018. Articles from this issue will be available to view online until 31 December 2018.

Vitamin D and health in pregnancy, infants, children and adolescents in Australia and New Zealand: a position statement

Low vitamin D levels are a major public health concern across the lifespan. This position statement of the Australian and New Zealand Bone and Mineral Society and Osteoporosis Australia accompanies a position statement on vitamin D and health in adults1 and updates a 2006 position statement.2 It is intended for primary care providers and specialists involved in the care of children and pregnant women, and is endorsed by the Australasian Paediatric Endocrine Group, Royal Australasian College of Physicians and Royal Australian and New Zealand College of Obstetricians and Gynaecologists. The consensus process is described in Box 1.

Physiology

A summary of vitamin D physiology is provided in the adult vitamin D position statement.1 During pregnancy, alterations to vitamin D and calcium homoeostasis allow calcium transfer to the developing fetus.3 Maternal intestinal calcium absorption is doubled, serum 1,25-dihydroxyvitamin D (1,25(OH)2D) levels increase and parathyroid hormone…

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