1. 
   pregnanedione
   5b-Pregnane-3,20-dione;a metabolite of progesterone, formed in relatively small quantities, that occurs in 5a and 5b isomeric forms. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?pregnanedione
   
   
2. 
   pregnanedione
   Type: Term Pronunciation: preg′nān-dī′ōn Definitions: 1. A metabolite of progesterone, formed in relatively small quantities, that occurs in 5α and 5β isomeric forms.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=71819
   
   

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