A pregnancy test can usually be used 2-3 weeks after intercourse to determine if you are pregnant.
Generally, pregnancy test is used to determine whether a woman is pregnant by testing for human chorionic gonadotropin in her urine. If you have intercourse during the ovulation period, you will have a higher chance of getting pregnant, and the usual symptoms of pregnancy are stoppage of menstruation and elevated values of human chorionic gonadotropin in the body. Some women may experience early pregnancy reactions such as nausea, vomiting, breast tenderness and loss of appetite.
Usually about 2-3 weeks after intercourse, you can use a pregnancy test to check if you are pregnant. If the test shows two horizontal lines, it means positive, which is a sign of pregnancy.
The result of pregnancy test may have error, it is recommended to go to the hospital in time and complete the examination, with the help of the doctor to clarify whether you are pregnant or not.