| INTERVENTIONS | 
    
    
      | 
        Intervention type
       | 
      
        Intervention name
       | 
      
        Dose
       | 
      
        
              Duration
            
       | 
      
        Intervention description
       | 
      
        Group size
       | 
      
        Nature of control
       | 
    
    
      | Control Group | 
      gonadotropin only | 
      HMG (Merional©, IBSA, Egypt) starting dose 75-225 IU adjusted according to patient response from Day 2 onward till trigger by HCG (Choriomon© 5000 units, IBSA, Egypt). Placebo tablets were administered from day 3- 7.  | 
      until growth of follicles | 
      HMG (Merional©, IBSA, Egypt) starting dose 75-225 IU adjusted according to patient response from Day 2 onward till trigger by HCG (Choriomon© 5000 units, IBSA, Egypt). Placebo tablets were administered from day 3- 7.  | 
      50 | 
      Active-Treatment of Control Group | 
    
    
      | Experimental Group | 
      clomiphene citrate group | 
      clomiphene citrate (Clomid©, Global Napi pharmaceuticals, Cairo, Egypt) 5 mg daily from Day 3 to Day 7 along with HMG (Merional©, IBSA, Egypt) starting dose 75 IU adjusted according to patient response from Day 7 onward till trigger by HCG (Choriomon© 5000 units, IBSA, Egypt). Placebo was administered till the time of HMG administration. | 
      until follicle maturation | 
      clomiphene citrate (Clomid©, Global Napi pharmaceuticals, Cairo, Egypt) 5 mg daily from Day 3 to Day 7 along with HMG (Merional©, IBSA, Egypt) starting dose 75 IU adjusted according to patient response from Day 7 onward till trigger by HCG (Choriomon© 5000 units, IBSA, Egypt). Placebo was administered till the time of HMG administration. | 
      50 | 
       | 
    
    
      | Experimental Group | 
      aromatase inhibitor group | 
      Letrozole (Femara©, Novartis pharmaceuticals, Cairo, Egypt) 5 mg daily from Day 3 to Day 7 along with HMG (Merional©, IBSA, Egypt) starting dose 75 IU adjusted according to patient response from Day 7 onward till trigger by HCG (Choriomon© 5000 units, IBSA, Egypt). Placebo was administered till the time of HMG administration. | 
      until follicle maturation | 
      Letrozole (Femara©, Novartis pharmaceuticals, Cairo, Egypt) 5 mg daily from Day 3 to Day 7 along with HMG (Merional©, IBSA, Egypt) starting dose 75 IU adjusted according to patient response from Day 7 onward till trigger by HCG (Choriomon© 5000 units, IBSA, Egypt). Placebo was administered till the time of HMG administration. | 
      50 | 
       |