1165
Endogenous LH was not associated with live - birth rate ; neither at start of stimulation ( p = 0 . 123 ) , nor in the mid - follicular phase ( p = 0 . 933 ) or on the last day of stimulation ( p = 0 . 589 ) .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None