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       Progesterone
        Structure
       
        
       
      
        
          
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                - C3 has OH group changed to =O
                  
 - C19 and C13 has CH3
                    
 - C17 has 2 carbon group.
                      
 - Produced in corpus luteum.
                        
 - Stimulate uterine secretions.
                          
 - Stimulates estrogen receptors
                            
 - Inhibits uterine motility.
                              
 - Decrease uterine immunity.
                                
 - Inhibits LH and FSH.
                                  
 - Needed to maintain pregnancy.
 
                                 
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                        contributed by Bruce
E Eilts on 23-June-2000 
modified by Eric Huey 
                         
                        
                        
                  
                  
                        
                  
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