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Table 1 r-hFSH and r-hLH mixing scheme*

From: Administration of follitropin alfa and lutropin alfa combined in a single injection: a feasibility assessment

   Follitropin alfa/lutropin alfa 150 IU/75 IU Follitropin alfa 75 IU Follitropin alfa 900 IU r-hFSH:r-hLH ratio
Ratio Group 1 FSH 150 IU 75 IU in 1 mL -- 3:1
  LH 75 IU -- --  
Ratio Group 2 FSH 150 IU -- 75 IU in 0.125 mL 3:1
  LH 75 IU -- --  
Ratio Group 3 FSH 150 IU 225 IU in 1 mL -- 5:1
  LH 75 IU -- --  
Ratio Group 4 FSH 150 IU -- 450 IU in 0.75 mL 8:1
  LH 75 IU -- --  
  1. r-hFSH, recombinant human follicle-stimulating hormone; r-hLH, recombinant human luteinizing hormone.
  2. *Follitropin alfa was reconstituted with water for injection and then added to follitropin alfa/lutropin alfa lyophilized powder. The final reconstituted volume was always approximately 1 mL.