4574
The crude rate of VTE per 10 , 000 woman - years was 4 . 10 in current users of any OC , 3 . 10 in users of second - generation OCs , and 4 . 96 in users of third - generation preparations .
 Disease: VTE; Chemical: OC; Chemical: OCs
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:
 Disease: VTE; Chemical: OC; Chemical: OCs