PREDIN: Pregnancy and Vitamin D Intervention Study
PREDIN: Pregnancy and Vitamin D Intervention Study
NCT ID: NCT05329428 Phase: NA Status: COMPLETED Enrollment: 105 Completion: 2024-09-16
Conditions
Vitamin D Deficiency, Vitamin D3 Deficiency, Pregnancy Complications
Interventions
Vitamin D Supplementation 20 µg/day, Vitamin D Supplementation 40 µg/day, Usual Antenatal Care
Summary
Vitamin D deficiency is common among certain risk groups in Sweden, and occurs approximately in every tenth pregnant woman.The aim of the randomized double-blind controlled trial Pregnancy vitamin D intervention (PREDIN) is to investigate the dose of vitamin D supplementation required in achieving vitamin D sufficiency (25OHD ≥50 nmol/l) in pregnant women at risk of vitamin D deficiency. In addition, the investigators aim to examine if the overall vitamin D status and vitamin D intake have increased since the expanded vitamin D fortification program was initiated in year 2020.
Primary Outcome
Difference in maternal vitamin D status (25OHD) between intake of vitamin D supplements containing either 40 µg per day or 20 µg per day during pregnancy