While in labor, preterm birth delayed 6 days by a single dose of Vitamin D
While in labor, preterm birth delayed 6 days by a single dose of Vitamin D (50,000 IU) - RCT Oct 2025
Comments by VitaminDWiki founder
I had not seen a hint that vitamin D would help so late in the pregnancy
Probably used injection in this study (several of the authors had used injection in their previous studies)
Even better than Injection - fast-acting nanoemulsion vitamin DVitamin D before, during, and after pregnancy would be better in scores of ways
50,000 IU weekly or bi-weekly - best started 2 months before conception and continued at least thru breastfeeding
The father should also take the same dosing for 2 months before conception
Reminds me of some other emergency uses of Vitamin D
Take loading dose at the first sign of a possible viral infection. Example: COVID
Take vitamin D before surgery
I inhale Vitamin D about 5 minutes before intense exercise sessions since 2015
Related in VitaminDWiki
Preterm birth and low Vitamin D - many studies
Preterm birth 7 times more likely if low vitamin D 1 month before – May 2023
Hospital costs for an extreme preemie adds 58,000 dollars to the cost of full term birth – Dec 2022
Preterm birth rate increased in US but decreased in Finland (high Vitamin D) - Jan 2024

