26717
Conclusions : Metformin therapy throughout pregnancy decreased the ORs of early pregnancy loss , gestational diabetes , preeclampsia and preterm delivery in pregnant PCOS women with no serious detrimental sideeffects .
 Chemical: Metformin
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: Metformin