Does Vitamin D supplementation in pregnancy improve maternal glucose metabolism or prevent gestational diabetes?
Effect of high-dose versus low-dose vitamin D supplementation in pregnancy on maternal glucose metabolism and the risk of gestational diabetes.
Westmead Hospital
200 participants
Feb 10, 2010
Interventional
Conditions
Summary
This study will determine whether taking additional Vitamin D supplementation in pregnancy, above that contained in conventional pregnancy vitamin tablets, improves a woman's glucose metabolism and prevents the development of gestational diabetes, a common complication of pregnancy in Australia.
Eligibility
Inclusion Criteria1
- Pregnancy, less than 20 weeks gestation at recruitment.
Exclusion Criteria3
- Known diabetes
- Calcium metabolic disorder
- Multiple pregnancy
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Interventions
Pregnant women will be randomly allocated to take high-dose vitamin D supplementation (5000IU/day) or standard dose pregnancy vitamin supplementation (400 IU vitamin D daily), administered as an oral capsule, from the time of the first antenatal clinic visit (around 12 weeks gestation) until delivery.
Locations(1)
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ACTRN12612001145897