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Table 1 Data from the Bemfola and Ovaleap RCTs [23–24)

From: Biosimilar FSH preparations- are they identical twins or just siblings?

  Bemfola [23] GF [23] GF [24] Ovaleap [24]
  # of patients % of patients treated # of patients % of patients treated # of patients % of patients treated # of patients % of patients treated
# of patients 249   123   146   153  
BMI (kg/m2) 22.7   22.4   22.6   22.8  
FSH (IU) 6.9   6.9   7.3   7  
Duration of stimulation (days) 10.6   10.7   9.7   9.3  
Total dose of FSH used 1555   1569   1614   1536  
E2 (pmol/L) 8982   7704   9534   10070  
OHSS 14 0.056 4 0.032 4 0.027 7 0.045
# oocyte 10.7   10.4   12.1   12.2  
#ET 1.5   1.6   NA   NA  
FR (%) 66.1   64   NA   NA  
IR (%) 31.8   36.7   NA   NA  
Biochemical pregnancy 116 0.465 60 0.487 60 0.410 58 0.379
Clinical pregnancy 90 0.361 55 0.447 52 0.356 43 0.281
Ongoing pregnancy 84 0.337 51 0.414 49 0.335 42 0.274
LBR NA   NA   47 0.321 41 0.267
Chemical pregnancy 26 0.104 5 0.040 8 0.054 15 0.098