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Smoking while pregnant resulted in 2X more likely to be Vitamin D deficient – Feb 2019

Smoking during pregnancy reduces vitamin D levels in a Finnish birth register cohort

Cambridge University Press DOI: https://doi.org/10.1017/S1368980018003932
A Inkeri Lokki (a1) (a2), Jenni Heikkinen-Eloranta (a3), Hanna Öhman (a4) (a5), Seppo Heinonen (a3) ...

VitaminDWiki

Smoking reduces vitamin D - many studies contains the following

Two pathways are often proposed for how smoking decreases vitamin D:
   1) Smoking decreases Calcium. and Vitamin D is used up in replacing the Calcium
   2) Smoking injures the body, and vitamin D is used up in repairing the body
It appears that taking Vitamin D while smoking will:
   1) Decrease the incidence of the many health problems associated with smoking - even lung cancer
   2) Decrease the desire to smoke (perhaps take fewer smoking breaks?)
   3) Increase breathing capacity
Opinion: If you must smoke, have recently smoked, or are getting 2nd hand smoke:
   take Vitamin D and perhaps Omega-3
    They will extinguish much of the inflammation caused by inhaling tobacco smoke.

Vitamin D should also help people quit smoking   See bottom of page Smoking reduces vitamin D - many studies
   1) Reduces weight gain associated with quitting smoking
   2) Reduces depression associated with quitting smoking

 Download the PDF from VitaminDWiki

Vitamin D levels while pregnant in the winter
Image

Objective
Maternal vitamin D level in pregnancy may have implications for both the mother and fetus. Deficiency of vitamin D has been linked to several pregnancy complications and fetal skeletal health. Smoking has been associated with reduced serum level of the vitamin D metabolite, 25-hydroxyvitamin D (25(OH)D).

Design
A nested case–control study within the Finnish Maternity Cohort, a population-based cohort which includes first-trimester sera from 98 % of pregnancies in Finland since 1987. The selection consisted of women with uncomplicated pregnancies. We studied serum concentration of 25(OH)D in 313 non-smoking and forty-six self-reported smoking pregnant women.

Setting
We hypothesize that pregnant smokers may have an increased risk of low 25(OH)D levels especially during winter months.

Participants
A control group from an unpublished pregnancy complication study consisting of 359 uncomplicated pregnancies. Individuals who reported that they do not smoke were considered ‘non-smokers’ (n 313) and those who reported continued smoking after the first trimester of pregnancy were considered ‘smokers’ (n 46).

Results
Smokers had significantly lower levels of 25(OH)D irrespective of sampling time (P<0·0001). Furthermore, during the low sun-exposure season, only 14 % of smokers met the guideline level of 40 nmol/l for serum 25(OH)D in comparison with 31 % of non-smokers.

Conclusions
Expectant mothers who smoke have an increased risk of vitamin D deficiency during low sun-exposure months in northern regions. Further studies are needed to assess the associated risks for maternal and fetal health as well as possible long-term implications for the infant.


Created by admin. Last Modification: Saturday February 27, 2021 14:45:30 GMT-0000 by admin. (Version 3)

Attached files

ID Name Comment Uploaded Size Downloads
15130 winter smokers.jpg admin 27 Feb, 2021 19.22 Kb 267
15129 Smoking pregnancy 2020.pdf admin 27 Feb, 2021 219.99 Kb 285