In cleft lip surgery rule of 10 says
10 weeks of age, having 10 dL/mg Hb and weight 10 pounds 10 weeks of age, having 10 dL/mg Hb and weight 10 kgs 10 months of age, having 10 dL/mg Hb and weight 10 pounds 10 months of age, having 10 dL/mg Hb and weight 10 kgs