Association Between Vitamin D Supplementation During Pregnancy and Offspring Growth, Morbidity, and Mortality A Systematic Review and Meta-analysis
JAMA Pediatr. oi:10.1001/jamapediatrics.2018.0302 online May 29,2018.
WeiGuangBi, BSc; Anne Monique Nuyt, MD; HopeWeiler, PhD; LineLeduc, MD;
Christina Santamaria, BSc; Shu Qin Wei, MD, PhD
Healthy pregnancies need lots of vitamin D has the following summary
|0. Chance of not conceiving||3.4 times||Observe|
|1. Miscarriage||2.5 times||Observe|
|2. Pre-eclampsia||3.6 times||Randomized Controlled Trial|
|3. Gestational Diabetes||3 times||Randomized Controlled Trial|
|4. Good 2nd trimester sleep quality||3.5 times||Observe|
|5. Premature birth||2 times||Randomized Controlled Trial|
|6. C-section - unplanned||1.6 times||Observe|
|Stillbirth - OMEGA-3||4 times||RCT - Omega-3|
|7. Depression AFTER pregnancy||1.4 times||Randomized Controlled Trial|
|8. Small for Gestational Age||1.6 times||meta-analysis|
|9. Infant height, weight, head size |
within normal limits
|Randomized Controlled Trial|
|10. Childhood Wheezing||1.3 times||Randomized Controlled Trial|
|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||Randomized Controlled Trial|
|14. Good motor skills @ age 3||1.4 times||Observe|
|15. Childhood Mite allergy||5 times||Randomized Controlled Trial|
|16. Childhood Respiratory Tract visits||2.5 times||Randomized Controlled Trial|
Pregnancy category starts with
- see also
- Overview Pregnancy and vitamin D
- Healthy pregnancies need lots of vitamin D
- Dark skin births are much riskier due to lack of vitamin D,
- All items in category Infant/Child
- breastfed 887 items as of Jan 2018
- Preeclampsia 825 items as of Jan 2018
- Pre-term 2110 items as of Feb 2017
- "polycystic ovary syndrome" OR PCOS 303 items as of Jan 2018
- Gestational Diabetes
- c-section OR "caesarean section" (various spellings) 802 items as of Aug 2018
- postpartum depression 208 items as of Aug 2018
- Search VitaminDiiki for MISCARRIAGE OR "Spontaneous abortion" 541 as of June 2018
- Search VitaminDWiki for "Assisted reproduction" 33 items as of Feb 2017
- Fertility and Sperm category listing has
90 items along with related searches
- (Stunting OR “low birth weight” OR LBW) 505 items as of Jan 2018
- Click on chart for details
IMPORTANCE Whether vitamin D supplementation during pregnancy is beneficial and safe for offspring is unclear.
OBJECTIVE To systematically review studies of the effects of vitamin D supplementation during pregnancy on offspring growth, morbidity, and mortality.
DATA SOURCES Searches of Medline, Embase, and the Cochrane Database of Systematic Reviews were conducted up to October 31, 2017 Key search terms were vitamin D, pregnancy, randomized controlled trials, and offspring outcomes.
STUDY SELECTION Randomized clinical trials of vitamin D supplementation during pregnancy and offspring outcomes.
DATA EXTRACTION AND SYNTHESIS Two authors independently extracted data, and the quality of the studies was assessed. Summary risk ratio (RR), risk difference (RD) or mean difference (MD), and 95% CI were calculated using fixed-effects or random-effects meta-analysis.
MAIN OUTCOMES AND MEASURES Main outcomes were fetal or neonatal mortality, small for gestational age (SGA), congenital malformation, admission to a neonatal intensive care unit, birth weight, Apgar scores, neonatal 25-hydroxyvitamin D (25OHD) and calcium concentrations, gestational age, preterm birth, infant anthropometry, and respiratory morbidity during childhood.
RESULTS Twenty-four clinical trials involving 5405 participants met inclusion criteria. Vitamin □ supplementation during pregnancy was associated with a lower risk of SGA (RR, 0.72; 95% CI, 0.52 to 0.99; RD, -5.60%; 95% CI, -0.86% to -10.34%) without risk of fetal or neonatal mortality (RR, 0.72; 95% CI, 0.47 to 1.11) or congenital abnormality (RR, 0.94; 95% CI, 0.61 to 1.43).
Neonates with prenatal vitamin D supplementation had higher 25(OH)D levels (MD, 13.50 ng/mL; 95% CI, 10.12 to 16.87 ng/mL), calcium levels (MD, 0.19 mg/dL; 95% CI, 0.003 to 0.38 mg/dL), and weight at birth (MD, 75.38 g; 95% CI, 22.88 to 127.88 g), 3 months (MD, 0.21 kg; 95% CI, 0.13 to 0.28 kg), 6 months (MD, 0.46 kg; 95% CI, 0.33 to 0.58 kg), 9 months (MD, 0.50 kg; 95% CI, 0.01 to 0.99 kg), and 12 months (MD, 0.32 kg; 95% CI, 0.12 to 0.52 kg).
Subgroup analysis by doses showed that low-dose vitamin D supplementation (<2000 IU/d) was associated with a reduced risk of fetal or neonatal mortality (RR, 0.35; 95% CI, 0.15 to 0.80), but higher doses (>2000 IU/d) did not reduce this risk (RR, 0.95; 95% CI, 0.59 to 1.54).Comment by VitaminDWiki - Strange - Have not seen >2,000 IU being a problem before this.
Wonder if it is correct?
CONCLUSIONS AND RELEVANCE Vitamin D supplementation during pregnancy is associated witha reduced risk of SGA and improved infant growth without risk of fetal or neonatal mortality or congenital abnormality. Vitamin D supplementation with doses of 2000 IU/d or lower during pregnancy may reduce the risk of fetal or neonatal mortality
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