1. Physical condition Pregnancy requires good physical condition. Women should have normal reproductive organs and menstrual cycles. In addition, women should maintain healthy living habits, such as quitting smoking, limiting alcohol, and exercising regularly. 2. Age Women’s age also has a certain impact on pregnancy. The pregnancy success rate is highest between the ages of 20 and 30. As age increases, the pregnancy success rate gradually decreases. Women over 35 years old need to pay more attention to their health