### TL;DR The ability of women to conceive a fully functioning h...
There are two types of twins: - **monozygotic ('identical')**: th...
What do we know today? **Monozygotic twins** We still don't k...
The twin birth in the United States ***in 2018 was 32.6 twin births...
#### Suleman octuplets The Suleman octuplets are a set of ***8 c...
#### Ovulation, Menstrual cycle The main function of the ovaries...
**Is the tendency to bear twins inherited?** We still don't know...
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
        
       
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
    

       


      
        
 
  
      
      
   
     
     

 

     
     

    
     


       

       
      
  

       
      
     
      
     
      


    

    
   
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      
   
 
       

     
   
 

       
      
  
 
    


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      

 
       
   
       
    
    
     
        
  
    
     
   
 
     
      
     
      


     
     
       
       
       

       
       
     




     
    
 
      
       
      
    
 

     
       
 

     
  
      
  
     

     
  
   
       
     
      
 


     

    
   
      






 
      
     
    

   
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    
     
      
      
 
     
    
     
     
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     
    
     
     
    
 
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  
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      
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        
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        
     
    
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