12273
Furthermore , there was no significant difference in the number of oocytes retrieved , total dose of rFSH used , total duration of stimulation , number of retrieved metaphase II oocytes and cycle cancellation rate between the study and control groups .
 None
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