Low maternal vitamin D status during the second trimester of pregnancy: a cross-sectional study in Wuxi, China.

What Was Tested

This clinical trial looks at Vitamin D, K2, Magnesium and Zinc.

To evaluate the vitamin D status of women in Eastern China during the second trimester of pregnancy.

Why It Was Studied

Vitamin D deficiency is common in pregnant women, but an optimal serum vitamin D level during pregnancy has not been determined and remains an area of active research.

Vitamin D data from large populations of pregnant Chinese women are still limited.

Who Took Part

The abstract describes 5823 women taking part.

By PubMed's age tags, the people studied were teenagers and adults, women only.

Serum 25-hydroxyvitamin D [25(OH)D] concentration was measured in samples from 5823 pregnant women in Wuxi City, China (latitude: 31.5o N), from January 2011 to June 2012.

How the Study Was Run

A hospital-based, cross-sectional, observational study.

What Was Measured

Vitamin D deficiency is common in pregnant women, but an optimal serum vitamin D level during pregnancy has not been determined and remains an area of active research.

The subject headings attached to it are China, Cross-Sectional Studies, Pregnancy Complications, Pregnancy Trimester, Second, Vitamin D and Vitamin D Deficiency.

What This Means in Plain Language

This is a clinical trial of Vitamin D, K2, Magnesium and Zinc in 5823 women.

With several hundred people or more, it is a fairly large study for this kind of research.

Its findings take up roughly 8 sentences of the abstract and are left out here on purpose; the source paper is the place to read them.

The publication is from 2015 (PloS one), a journal based in United States.

More context: the Vitamin D, K2, Magnesium and Zinc compound page, all human trials.