Two red bars on a pregnancy test may indicate a strong positive test result and pregnancy is considered. A pregnancy test is a tool to check whether a woman is pregnant or not. It can quickly and accurately detect human chorionic gonadotropin (HCG) in the urine to determine whether a woman is pregnant. The pregnancy test has two main lines, a control line and a test line, both of which will turn red when the user is pregnant. When the control line is as dark as the test line, the result is strongly positive, which generally means that the user is pregnant. If a woman of childbearing age has recently had sex and has delayed menstruation, and the result of the pregnancy test shows a strong positive result, it is recommended that she should visit the obstetrics and gynecology department of a hospital after 10 days of delayed menstruation and cooperate with the doctor for vaginal ultrasound and blood HCG to determine the result of pregnancy and whether the gestational sac is in the uterine cavity, and to exclude ectopic pregnancy. After pregnancy is confirmed, women need to pay attention to a diversified and balanced diet, such as eating more food rich in high quality protein such as chicken, duck and fish; keeping a relaxed mood and listening to light music, which is beneficial to the pregnant mother and the growth of the fetus; avoiding sexual intercourse in the early stage of pregnancy, etc.