（1）The second assessment was done immediately after the treatment, and muscle fatigue would affect the assessment results；
（2）In the first assessment, the abdomen was involved in contraction. After a course of rehabilitation training, in the second assessment, the client learned to contract the pelvic floor. The abdomen is not involved in contraction, even though the assessment result has not changed, the pelvic floor condition is improving;
（3）Failure to maintain training or physical weakness, including increased abdominal pressure during recovery due to coughing, standing and holding a baby, and abdominal obesity. Will affect the assessment results.