To be published in 2019
Based on data from VDAART
Vitamin D supplementation in pregnancy, prenatal 25(OH)D levels, race, and subsequent asthma or recurrent wheeze in offspring: Secondary analyses from the Vitamin D Antenatal Asthma Reduction Trial.
J Allergy Clin Immunol. 2017;140(5):1423-9 e5.
Wolsk HM, Harshfield BJ, Laranjo N, Carey VJ, O'Connor G, Sandel M, et al.
This secondary analysis of the VDAART study is the first to show that the effect of prenatal supplementation with vitamin D on asthma and recurrent wheeze is modified by the initial maternal level of circulating vitamin D early in pregnancy. This work suggests that having a higher vitamin D level at the beginning of pregnancy and maintaining the level throughout pregnancy maximizes the preventive effect of vitamin D on asthma and recurrent wheeze in offspring.
Breathing category starts with the following
Breathing-related Overviews at VitaminDWiki:
Allergy Lung Cancer TB Asthma Influenza Colds and flu
Pneumonia Respiratory infections COPD Air Polution Smoking Cystic Fibrosis
Healthy pregnancies need lots of vitamin D has the following summary
Most were taking 2,000 to 7,000 IU daily for >50% of pregnancy
Click on hyperlinks for details
Problem | Vit. D Reduces | Evidence |
0. Chance of not conceiving | 3.4 times | Observe |
1. Miscarriage | 2.5 times | Observe |
2. Pre-eclampsia | 3.6 times | RCT |
3. Gestational Diabetes | 3 times | RCT |
4. Good 2nd trimester sleep quality | 3.5 times | Observe |
5. Premature birth | 2 times | RCT |
6. C-section - unplanned | 1.6 times | Observe |
Stillbirth - OMEGA-3 | 4 times | RCT - Omega-3 |
7. Depression AFTER pregnancy | 1.4 times | RCT |
8. Small for Gestational Age | 1.6 times | meta-analysis |
9. Infant height, weight, head size within normal limits | RCT | |
10. Childhood Wheezing | 1.3 times | RCT |
11. Additional child is Autistic | 4 times | Intervention |
12.Young adult Multiple Sclerosis | 1.9 times | Observe |
13. Preeclampsia in young adult | 3.5 times | RCT |
14. Good motor skills @ age 3 | 1.4 times | Observe |
15. Childhood Mite allergy | 5 times | RCT |
16. Childhood Respiratory Tract visits | 2.5 times | RCT |
RCT = Randomized Controlled Trial
Note The earlier the vitamin D levels are raised during pregnancy, the better the outcome
Ensure a healthy pregnancy and baby - take Vitamin D before conception
Lung development starts early during pregnancy
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