Taking vitamin D during pregnancy reduces the relative risk of asthma in the unborn child by 50%. The study was published on: Journal of Allergy and Clinical Immunology.
Vitamin D is produced in the human body when exposed to sunlight and is also found in many foods. In the new paper, researchers analyzed data from publications assessing the relationship between childhood asthma and vitamin D. Observational studies suggest that higher vitamin D levels during pregnancy may protect against asthma. However, clinical studies in which women were prescribed vitamin D supplements have shown conflicting findings.
Therefore, the VDAART study found no association between vitamin D intake during pregnancy and asthma risk. The authors of the new paper argued that the original study’s findings were flawed because the researchers did not take into account women’s baseline vitamin D levels before taking supplements. These data were available and were used for reanalysis. Considering the baseline level of vitamin D, taking a dose of 4400 IU during pregnancy (10 to 18 weeks) has been shown to reduce the relative risk of asthma and dyspnea in children by 50%. The same data were obtained in observational studies.
“Vitamin D deficiency is very common, especially in pregnant women who do not take supplements. “Based on our findings, we recommend that all pregnant women get at least 4,400 IU of vitamin D3 daily, starting from pregnancy and throughout pregnancy,” concluded Scott T. Weiss, MD, HMS, first author of the study and associate director of the Channing Department at Harvard Medical School.
Taking any supplements or medications requires prior consultation with your doctor.
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