DOI:
        10.1055/s-00000009
      
      
        American Journal of Perinatology
      
      
        
          
            Issue 13 ·
           Volume 37 ·
           November 2020
            
          
           DOI: 10.1055/s-010-49614 
          
          
          
  
    
      
    
  
  
        
        
  
  
    
  
  
  
    
  
  
  
    
  
  
  
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
      
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
    
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
      
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
        
          
            
              
              
              
                
                  
                    
                    
                      
                          
                          
                            
                            SMFM Fellowship Series Article
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        1289
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Boelig, Rupsa C.; 
              
            
          
            
              
              Naert, Mackenzie N.; 
              
            
          
            
              
              Fox, Nathan S.; 
              
            
          
            
              
              Hennessy, Sean; 
              
            
          
            
              
              Chervoneva, Inna; 
              
            
          
            
              
              Berghella, Vincenzo; 
              
            
          
            
              
              Roman, Amanda: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        1296
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Becker, David A.; 
              
            
          
            
              
              Blanchard, Christina T.; 
              
            
          
            
              
              Szychowski, Jeff M.; 
              
            
          
            
              
              Rogers, Sharee L.; 
              
            
          
            
              
              Brumfield, Cynthia G.; 
              
            
          
            
              
              Subramaniam, Akila: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        1301
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Pluym, Ilina D.; 
              
            
          
            
              
              Rao, Rashmi; 
              
            
          
            
              
              Ballas, Jerasimos; 
              
            
          
            
              
              Ramos, Gladys A.; 
              
            
          
            
              
              Cross, Sarah N.; 
              
            
          
            
              
              Zapata, Mya; 
              
            
          
            
              
              Srinivas, Sindhu; 
              
            
          
            
              
              Louis, Judette M.; 
              
            
          
            
              
              Werner, Erika; 
              
            
          
            
              
              Afshar, Yalda; 
              
            
          
            
              
              Han, Christina S.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                            
                            Original Article
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        1310
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Farghaly, Mohsen A.A.; 
              
            
          
            
              
              Kupferman, Fernanda; 
              
            
          
            
              
              Castillo, Fiorella; 
              
            
          
            
              
              Kim, Roger M.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        1317
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Liu, Wei; 
              
            
          
            
              
              Cheng, Hongbin; 
              
            
          
            
              
              Wang, Jing; 
              
            
          
            
              
              Ding, Lingli; 
              
            
          
            
              
              Zhou, Zhaoxian; 
              
            
          
            
              
              Liu, Siying; 
              
            
          
            
              
              Chang, Liwen; 
              
            
          
            
              
              Rong, Zhihui: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        1324
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Zafman, Kelly B.; 
              
            
          
            
              
              Rebarber, Andrei; 
              
            
          
            
              
              Melka, Stephanie; 
              
            
          
            
              
              Naqvi, Mariam; 
              
            
          
            
              
              Fox, Nathan S.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        1335
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
          
          
            
              
              Shah, Hevil; 
              
            
          
            
              
              Jadcherla, Sudarshan R.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        1340
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Fryer, Kimberly E.; 
              
            
          
            
              
              Vines, Anissa I.; 
              
            
          
            
              
              Stuebe, Alison M.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        1351
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Battarbee, Ashley N.; 
              
            
          
            
              
              Anderson, Sarah B.; 
              
            
          
            
              
              Tita, Alan T.N.; 
              
            
          
            
              
              Harper, Lorie M.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        1357
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
          
          
            
              
              Safar, Heba; 
              
            
          
            
              
              Elsary, Asmaa Y.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
    
   
                      
                          
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                          
                          
                          
  
  
    
      
        1364
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Ratnasiri, Anura W.G.; 
              
            
          
            
              
              Gordon, Lauren; 
              
            
          
            
              
              Dieckmann, Ronald A.; 
              
            
          
            
              
              Lee, Henry C.; 
              
            
          
            
              
              Parry, Steven S.; 
              
            
          
            
              
              Arief, Vivi N.; 
              
            
          
            
              
              DeLacy, Ian H.; 
              
            
          
            
              
              Lakshminrusimha, Satyan; 
              
            
          
            
              
              DiLibero, Ralph J.; 
              
            
          
            
              
              Basford, Kaye E.: 
              
            
          
      
    
    
    
    
      
      
        
      
      
        
        
        
      
    
    
      
    
    
    
    
    
    
    
      
        
      
    
   
                      
                          
                          
                            
                            Clinical Opinion
                          
                          
                          
                          
                            
                          
                          
                            
                          
                          
                          
                            
                          
                          
                          
                          
  
  
    
      
        1377
      
    
  
  
  
    
    
    
      
    
    
      
        
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
            
              
            
          
          
          
            
              
              Ng, Yvonne Peng Mei; 
              
            
          
            
              
              Low, Yi Fen; 
              
            
          
            
              
              Goh, Xin Lei; 
              
            
          
            
              
              Fok, Doris; 
              
            
          
            
              
              Amin, Zubair: