4239
CONCLUSION : It was suggested that high serum prolactin levels cause degeneration of myometrial cells in the presence of ovarian steroids that results in a myometrial invasion by endometrial stroma .
 Chemical: steroids
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: steroids