Vitamin D and Successful Pregnancies

A new study from NIH indicates an association between Vitamin D levels and successful natural births among women with a history of miscarriage, and successful in vitro births.

This is correlational analysis. That means that while low vitamin D levels and birth failures are known to occur together, there is no explanation about how they are related. We know it happens, we don’t know why.

Since there is little risk or cost in taking vitamin D supplements according to directions, the researchers suggest that women with past problems carrying babies to term should use these supplements. That recommendation could change in the future as we learn more about why the correlation exists. For now, erring on the side of caution means taking the supplements.


Sources:

  1. Mumford, SL, et al. Association of preconception serum 25-hydroxyvitamin D concentrations with livebirth and pregnancy loss: a prospective cohort study. The Lancet Diabetes & Endocrinology, 2018 DOI: 10.1016/S2213-8587
  2. NIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development. “Insufficient vitamin D linked to miscarriage among women with prior pregnancy loss: Study suggests the importance of preconception vitamin D in maintaining pregnancy.” ScienceDaily. ScienceDaily, 30 May 2018. <www.sciencedaily.com/releases/2018/05/180530192217.htm>

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