9007
Prepregnancy BMI was 33 . 5 kg / m ( 2 ) ( 30 - 53 kg / m ( 2 ) ) vs . 36 . 8 kg / m ( 2 ) ( 30 - 48 kg / m ( 2 ) ) , P = 0 . 037 , and median HbA1c was 6 . 7 % at first visit in both groups and decreased to 5 . 7 and 6 . 0 % , P = 0 . 620 , in late pregnancy , respectively .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None