7278
Birth defects after exposure to misoprostol in the first trimester of pregnancy : prospective follow - up study .
 Chemical: misoprostol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: misoprostol 
Answer:
 Chemical: misoprostol