9717
These results suggest that HSD11B1 - derived cortisol mediates , in part , actions of ovarian progesterone and the conceptus on endometrial function and support the hypothesis that IFNT , PG , and cortisol coordinately regulate endometrial functions important for conceptus elongation and implantation during early pregnancy in sheep .
 cortisol, progesterone, cortisol
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 cortisol, progesterone, cortisol