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Table 2 Choices for COS according to possible combinations of GnRH agonist/antagonist and stimulation drugs

From: Individualised controlled ovarian stimulation (iCOS): maximising success rates for assisted reproductive technology patients

  GnRH agonist/antagonist protocol
  GnRH agonist GnRH antagonist No GnRH analogue
  Long Short Micro flare Standard Mild Modified
natural
Mini Natural
Gonadotropins and other agents    
FSH    
HMG    
FSH + LH    
Others: Clomiphene    
Letrozole    
Testosterone    
Oestrogens