3964
Gonadotropin levels in mothers who have had two sets of DZ twins .
 GENE: Gonadotropin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: Gonadotropin 
Answer:
 GENE: Gonadotropin