2.2.3.2. Questionnaire on health education content of interventional prenatal diagnosis.
The self-made content questionnaire of interventional prenatal diagnosis health education is mainly based on the preoperative and postoperative precautions of interventional prenatal diagnosis as well as the procedures and walking routes on the day of interventional prenatal diagnosis. It consists of 3 levels and 12 contents: preoperative precautions for interventional prenatal diagnosis (5 items), preoperative precautions for interventional prenatal diagnosis (5 items), and procedure and walking route on the day of interventional prenatal diagnosis (2 items). In order to understand the effectiveness of health education methods and the acceptance of health education content, in this study, the reliability of the questionnaire Cronbach α coefficient is 0.905, which is indicating that the questionnaire has good reliability.