Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Correlation analysis of pregnant women's serum vitamin D level with temperature. The serum vitamin D level of pregnant women was highly positively correlated with temperature, with the higher the temperature, the higher the serum 25-(OH) D level (r = 0.907, t = 6.818, P < .001).
