A pregnancy test with one bar for 2 days after menopause cannot determine whether you are pregnant or not, and you need to combine other symptoms and blood test results of human chorionic gonadotropin to confirm the diagnosis. First, not pregnant stress, anxiety, overwork and other reasons can cause women to delay menstruation. If the patient is not accompanied by nausea, boredom and other symptoms, the main consideration is not pregnant. In general, as long as the period is not delayed for more than 1 week, it is usually normal. At this time there is no need to worry too much, it is recommended to maintain a good, relaxed mood, pay attention to rest, you can eat more fresh vegetables, fruits, such as celery, apples, etc., waiting for the arrival of menstruation. Second, has been pregnant 1, pregnancy time is short: if the patient is pregnant time is short, urine inside the human chorionic gonadotropin concentration is low, may appear to have been pregnant but the pregnancy test stick is a bar phenomenon. At this time, you can first observe and take the test both in the morning and at night. If after 2-3 days, menstruation has not yet occurred, and the pregnancy test does not show two bars, you need to go to the hospital to do a urine pregnancy test or blood test for human chorionic gonadotropin to determine whether you are pregnant or not; 2. Wrong method of use: Wrong method of use will also make the pregnancy test unable to show the correct results. It is recommended to test again after waking up in the morning according to the correct use of the instructions to see if you are pregnant.