| 
      Student t test was used.
    †Chi-squared test was used.
        | Parameters | Glycine    group
          (n=50) | Glucose    group
          (n=50) |  
        | Age (years) | 32.6 ± 12.5 | 34.5± 14.2 |  
        | Weight    (Kg) mean ±SD | 75.4 ±10.5 | 72.8 ±11.8 |  
        | Height    (cm)mean ±SD | 162±15.9 | 164±17.5 |  
        | Operative time (min) | 39.5± 10.2 | 37.3± 12.8 |  
        | Type    of surgery†: Endometrial    ablation
 Diagnostic    hysteroscopy
 | 32(64%)
 18(36%)
 | 28 (56%)
 22(44%)
 |  |