1189
While litter size significantly decreased ( p < 0 . 05 ) at 100 mg / kg EAA , maternal estrogen levels decreased in all the EAA - treated groups .
 Chemical: estrogen
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: estrogen