Pregnant women are vitamin D deficient - Map 2013

Note: Deficiency on this map is < 20 ng,
most people consider deficiency < 30 ng
Optimal Vitamin D levels are probably > 40 ng

Entire presentation is on VitaminDWiki: Vitamin D Global Perspective - Holick June 2013

Related in VitaminDWiki

• Vitamin D levels in moms and infants are low and sometimes very low – Sept 2015
• 70% of pregnancies have less than 30 ng of Vitamin D - meta-analysis Sept 2025