A positive pregnancy test, a blood test for human chorionic gonadotropin HCG greater than the reference value on the report card, and an ultrasound showing a gestational sac in the uterine cavity can indicate whether you are pregnant or not. However, it is recommended to have a professional doctor to diagnose whether you are pregnant or not. If you take a pregnancy test 14 days after intercourse, the result will be two bars, and two bars of the same color will be positive. However, pregnancy tests have a false negative or false positive rate. If you’re not having your period after intercourse, it’s a good idea to go to the hospital for a blood test to see if you’re pregnant. After 10 days of coitus go to the hospital to draw blood to check the human chorionic gonadotropin HCG, each unit uses a different testing instrument, the unit used after the test is also different, observe the report card on the test value is greater than the reference value, basically indicates that the woman is pregnant. Menopause has about 35~42 days to go to the hospital for ultrasound examination, the examination shows that there is a pregnancy sac in the uterine cavity, the report card also describes the size of the gestational sac, embryo buds, fetal heart, amniotic fluid, the length of the femur, the diameter of the biparietal diameter and so on the words, indicating that the woman is pregnant. In addition, the diagnosis of pregnancy is recommended to be made by a doctor based on relevant symptoms and tests.