A delayed menstrual cycle by a few days can indeed cause concern, especially for women worried about pregnancy. Generally, a pregnancy test can be considered after a week's delay in menstrual period. This timeframe is based on the fact that most women have a menstrual cycle of around 28 days, and it usually takes 6-12 days for the fertilized egg to implant and start secreting human chorionic gonadotropin (hCG). Therefore, a week's delay is a relatively reasonable time to conduct an initial pregnancy test. Of course, there are many factors in life that can lead to a delayed menstrual cycle, and pregnancy is not always the cause. For example, stress, dietary changes, excessive exercise, and weight fluctuations can all affect the menstrual cycle. So before testing, try to stay calm and recall if there have been any of these potential influencing factors recently. A simple urine pregnancy test can be done at home and usually provides relatively accurate results after a week's delay in menstrual period. If the test result is positive, further confirmation by a doctor may be considered, who will usually measure hCG levels through a blood test to ensure accuracy. If the result is negative and menstruation still hasn't occurred, you can test again after another week or consult a doctor directly to rule out other health issues. Maintaining good habits is also crucial during the waiting period. A balanced diet, moderate exercise, good sleep, and a positive mood are all important factors in maintaining physical health. If you are planning to get pregnant, supplementing with folic acid beforehand is also a good choice to help prevent neural tube defects in the fetus. Regardless of the result, understanding your physical condition and taking appropriate measures in a timely manner is the most important. Remember, any abnormality in the body deserves attention, and seeking medical advice promptly is a responsible act towards your own health. I hope this article provides you with some useful information and guidance.