12691
Preeclampsia affects about 5 . 84 % of pregnancies , and in our study , there were no significant differences in age , anthropometric indices , and family history of preeclampsia between the preeclamptic and control groups .
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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