Season of Birth

Season of birth is a good proxy for Vitamin D (for people far from the Equator)
Statistisically significant, but rarely greater than 20% change
Some problems need Vitamin D in 2 or 3 trimesters, so are not associated with SoB
Perhaps some people need more vitamin D all of their lives if poor birth month


26 items in "Season of Birth" Category


Chart of Diseases correlated to month of birth – 2008

see wikipage: http://www.vitamindwiki.com/tiki-index.php?page_id=1715


Chart of Schizophrenia vs month of birth

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Effects of Family History and Place and Season of Birth on the Risk of Schizophrenia
Feb 1999 DOI: 10.1056/NEJM199902253400803


Chart of Age of Menarche and Height vs SoB - Biobank 2015

Season of birth is associated with birth weight, pubertal timing, adult body size and educational attainment: a UK Biobank study
October 2015 DOI:https://doi.org/10.1016/j.heliyon.2015.e00031

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 Download the PDF from VitaminDWiki



Fetus development vs month of gestation (Some portions need Vitamin D during all phases)

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Details at Ensure a healthy pregnancy and baby - take Vitamin D before conception


Associations of Season of Birth with other categories (mainly Pregnancy and Multiple Sclerosis)


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