25674
OBJECTIVEMedical nutrition therapy based on the control of the amount and distribution of carbohydrates ( CHO ) is the initial treatment for gestational diabetes mellitus ( GDM ) , but there is a need for randomized controlled trials comparing different dietary strategies .
 Chemical: carbohydrates; Chemical: CHO
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: carbohydrates; Chemical: CHO