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Vitamin D of 32 to 60 ng is needed before, during, and after pregnancy – Dec 2012

Implications of maternal vitamin D deficiency for the fetus, the neonate and the young infant.

Eur J Nutr. 2012 Dec 9.
Principi N, Bianchini S, Baggi E, Esposito S.
Pediatric Clinic 1, Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Commenda 9, 20122, Milan, Italy.

It has recently been demonstrated that vitamin D (VD) deficiency during pregnancy and lactation can give rise to problems in mothers and their children.

To discuss the implications of VD deficiency during pregnancy and the best VD supplementation to use in order to avoid risks for the mother and child.

PubMed was used to select all of the clinical studies published in the last 15 years concerning VD deficiency in pregnant women and its impact on the fetuses, neonates and infants, as well as the use of VD supplementation during pregnancy.

Several studies have suggested that VD deficiency is associated with possible major outcomes in the preconception period, during pregnancy, perinatally and in childhood. A 25(OH)D concentration of >32 and <50-60 ng/mL seems to be associated with the lowest risk of disease, and the administration of 2,000 IU/day to pregnant and breastfeeding women seems to maintain adequate 25(OH)D levels.

However, not all the experts agree with these conclusions because some of them do not think that VD deficiency can really cause extraskeletal manifestations and consider that the traditionally suggested 400-600 IU/day can be enough to permit an adequate bone development.

Despite an increasing amount of data seems to suggest that pregnant women need a greater amount of VD than recommended in the past, further studies are needed to determine how much VD has to be given to assure a regular evolution of the pregnancy and an adequate development of the fetus and the young child.

PMID: 23224056

Deficiency Risk Factors


Outcomes if low vitamin D during pregnancy

 Download the PDF from VitaminDWiki

See also VitaminDWiki

IU Cumulative Benefit Blood level CofactorsCalcium $*/month
200 Better bones for mom
with 600 mg of Calcium
6 ng/ml increase Not needed No effect $0.10
400 Less Rickets (but not zero with 400 IU)
3X less adolescent Schizophrenia
Fewer child seizures
20-30 ng/ml Not needed No effect $0.20
2000 2X More likely to get pregnant naturally/IVF
2X Fewer dental problems with pregnancy
8X less diabetes
4X fewer C-sections (>37 ng)
4X less preeclampsia (40 ng vs 10 ng)
5X less child asthma
2X fewer language problems age 5
42 ng/ml Desirable < 750 mg $1
4000 2X fewer pregnancy complications
2X fewer pre-term births
49 ng/ml Should have
< 750 mg $3
6000 Probable: larger benefits for above items
Just enough D for breastfed infant
More maternal and infant weight
Should have
< 750 mg $4

Attached files

ID Name Comment Uploaded Size Downloads
1813 Low vitamin D outcomes.jpg admin 12 Dec, 2012 16:12 74.94 Kb 1485
1812 Deficiency risk factors.jpg admin 12 Dec, 2012 16:12 66.42 Kb 1617
1811 Vitamin D before, during, and after pregnancy.pdf PDF admin 12 Dec, 2012 16:11 277.86 Kb 1792
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