18989
Pregnant women in their third trimester in the NHANES 2005 - 2010 had adequate median UI concentrations , but pregnant women in NHANES who were in their first or second trimesters had median UI concentrations that were less than adequate .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None