Pregnancies helped by Vitamin D

Overviews of Pregnancy and Vitamin D

• Overview Pregnancy and vitamin D
• Pregnancy, offspring health, and Vitamin D - umbrella of 250,000 pregnancies - meta-analysis
• Pregnancies are helped 10 ways by Vitamin D - umbrella analysis

Vitamin D reduces Pregnancy risks

• Miscarriage and low Vitamin D – many studies
• Preterm birth and low Vitamin D - many studies
• Dark skin pregnancies and Vitamin D - many studies
• In vitro fertilization and Vitamin D – many studies
• Placenta and Vitamin D - many studies
• Pregnancy, offspring health, and Vitamin D - umbrella of 250,000 pregnancies - meta-analysis
• Preterm birth and low Vitamin D - many studies
• While in labor, preterm birth delayed 6 days by Vitamin D (single dose of 50,000 IU) - RCT
• Stillbirth reduced by Vitamin D, Zinc, Omega-3 - many studies
• Dark skin pregnancies and Vitamin D - many studies
• Cesarean birth much more likely if low Vitamin D - many studies

Vitamin D reduces risks after birth

• 24% lower risk of Autism for every 4 ng higher level of vitamin D during pregnancy - RCT
• Asthma reduced by 4,400 IU of Vitamin D while pregnant - RCT and video Weiss
• Breastfeeding and Vitamin D - many studies
• Post-partum depression and low Vitamin D - many studies
• Sepsis is both prevented and treated by Vitamin D - many studies
• Cerebral Palsy and Vitamin D - many studies
• Post-partum depression and low Vitamin D - many studies
• Growing pains associated with low Vitamin D - many studies
• Diarrhea and Vitamin D - many studies
• Child Obesity and Vitamin D - many studies
• Neural tube defect and Vitamin D - many studies
• Childhood Rickets AI summary using VitaminDWiki - Feb 2026
• 2X less risk of respiratory distress syndrome if 50,000 IU of Vitamin D just before premature birth – RCT

Cost Effective - Pregnancy

• Vitamin D supplementation of all pregnant women (in UK) would be cost effective – just considering preeclampsia
• Costs of Pregnancy much reduced by Vitamin D
• Vitamin D once during pregnancy reduced infant health care costs (300 times ROI) – RCT

Cost-effective (not pregnancy)

• $5 a year of Vitamin D could prevent 2.5 million US diabetes cases while saving money
• Vitamin D for all senior Germans would cost-effectively prevent 30,000 cancer deaths annually
• Estimated cost savings of getting most Canadians to 40 ng of Vitamin D - 2016
• Depression cost-effectively reduced by 50,000 IU of Vitamin D monthly (Iranian teens)
• Dutch Vitamin D cost-effectivity Calculations (they prescribe 100,000 IU for Multiple Sclerosis)
• Giving free vitamin D to every Iranian would pay for itself by just reducing CVD
• Perhaps 4,000 dollars annual less health care costs per person if supplemented with 5 dollars of Vitamin D