17382
These four patients were diagnosed with POI at the mean age of 27 . 5 +/- 8 . 5 ( mean +/- SD ; range , 19 - 35 ) , subjected to follicle monitoring at the mean age of 29 . 8 +/- 5 . 7 ( 23 - 35 ) , and conceived at the mean age of 34 . 5 +/- 3 . 9 ( 29 - 38 ) .
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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