Table of contents
- Meta-analysis found 40% more likely for offspring to develop MS if low Vitamin D during pregnancy - Jan 2020
- Multiple Sclerosis 1.9X more likely if low vitamin D during pregnancy – March 2016
11 MS and Pregnancy studies in VitaminDWiki
- See also VitaminDWiki
Meta-analysis found 40% more likely for offspring to develop MS if low Vitamin D during pregnancy - Jan 2020
Gestational Vitamin D and Offspring Risk of Multiple Sclerosis: A Systematic Review and Meta-Analysis
Vitamin D Status During Pregnancy and Risk of Multiple Sclerosis in Offspring of Women in the Finnish Maternity Cohort
JAMA Neurol. Published online March 07, 2016. doi:10.1001/jamaneurol.2015.4800
Kassandra L. Munger, ScD1; Julia Åivo, MD2; Kira Hongell, MD2; Merja Soilu-Hänninen, MD2; Heljä-Marja Surcel, PhD3; Alberto Ascherio, MD, DrPH1,4
Importance Vitamin D has been associated with a decreased risk of multiple sclerosis (MS) in adulthood; however, some, but not all, previous studies have suggested that in utero vitamin D exposure may be a risk factor for MS later in life.
Objective To examine whether serum 25-hydroxyvitamin D (25[OH]D) levels in early pregnancy are associated with risk of MS in offspring.
Design, Setting, and Participants Prospective, nested case-control study in the Finnish Maternity Cohort conducted in May 2011. We identified 193 individuals with a diagnosis of MS before December 31, 2009, whose mothers are in the Finnish Maternity Cohort and had an available serum sample from the pregnancy with the affected child. We matched 176 cases with 326 controls on region of birth in Finland, date of maternal serum sample collection, date of mother’s birth, and date of child’s birth.
Main Outcomes and Measures Maternal serum 25(OH)D levels were measured using a chemiluminescence assay. The risk of MS among offspring and association with maternal 25(OH)D levels were the main outcomes. Conditional logistic regression was used and further adjusted for sex of the child, gestational age at the time of sample collection, and season of sample collection to estimate the relative risks and 95% CIs.
Results Of the 193 cases in the study, 163 were female. Of the 331 controls in the study, 218 were female. Seventy percent of serum samples were collected during the first trimester of pregnancy. The mean (SD) maternal vitamin D levels were in the insufficient vitamin D range, but higher in maternal control than case samples (15.02 [6.41] ng/mL vs 13.86 [5.49] ng/mL [to convert to nanomoles per liter, multiply by 2.496]). Maternal vitamin D deficiency (25[OH]D levels <12.02 ng/mL) during early pregnancy was associated with a nearly 2-fold increased risk of MS in the offspring (relative risk, 1.90; 95% CI, 1.20-3.01; P = .006) compared with women who did not have deficient 25(OH)D levels. There was no statistically significant association between the risk of MS and increasing serum 25(OH)D levels (P = .12).
Conclusions and Relevance Insufficient maternal 25(OH)D during pregnancy may increase the risk of MS in offspring.
11 MS and Pregnancy studies in VitaminDWiki
- Multiple Sclerosis 40 percent more likely if mother had low vitamin D – meta-analysis Jan 2020
- High-dose Vitamin D for Multiple Sclerosis is OK while pregnant – Sept 2019
- Extended breastfeeding cut in half the risk of Multiple Sclerosis – July 2017
- Multiple Sclerosis risk reduced 30 percent by each additional 10 ng of vitamin D at birth (1500 Danes) – Jan 2017
- A gestational dose of vitamin D per day keeps the MS doctor away (2X reduction) – Nov 2016
- Multiple Sclerosis 2X more likely if vitamin D deficient as a fetus decades earlier – May 2016
- No multiple sclerosis relapses during pregnancy if 50,000 IU of Vitamin D weekly – RCT April 2015
- Season of birth associated with pneumonia (10 pcnt) and multiple sclerosis (30 pcnt) – May 2013
- Multiple Sclerosis more likely if mother had less than 25 ng of vitamin D – Nov 2012
- Multiple Sclerosis 23 percent more likely if born in April vs. Oct – meta-analysis Nov 2012
- High vitamin D in moms decreased MS incidence in daughters by 40% – July 2011
Multiple Sclerosis much more likely if low vitamin D during pregnancy –many studies
- Overview MS and vitamin D
- Multiple Sclerosis is associated with about 1.5 X more Vitamin D Binding Protein – Jan 2015 This is an affect not seen by Vitamin D tests
- Multiple Sclerosis: number needed to treat with vitamin D may be as low as 1.3 – Meta-analysis Oct 2013
- Healthy pregnancies need lots of vitamin D
- Low vitamin D during pregnancy increases risk of future health problems (obesity etc.) – May 2022
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