What do two very dark bars in early pregnancy mean?

The two deep bars in early pregnancy indicate that the concentration of hcg (human chorionic gonadotropin) in the urine has reached a certain level, and is already pregnant. Pregnancy test paper is mainly a method of detecting early pregnancy, two bars indicate that the positive is pregnant; one bar is negative is not pregnant; one bar is deep and one bar is shallow is a weak positive pregnancy is more likely. Therefore, two deep bars indicate that you are pregnant and the HCG concentration in your urine has reached a certain level. It is recommended to go to the hospital to check the blood human chorionic gonadotropin and progesterone, if normal, wait for about 40 days to go to the hospital to check whether intrauterine pregnancy and the development of the embryo. In the early stages of pregnancy, if you feel unwell, you should also consult a doctor promptly.