It is recommended to use morning urine to test for early pregnancy. It is best to use morning urine because the level of HCG in morning urine is relatively high, and it is best not to drink too much water before keeping the urine specimen to avoid dilution of urine, which may cause false negative results in clinical practice. If the early pregnancy test reveals no pregnancy, you can wait for 3 days to see if you will have your period. If you still do not have your period, it is recommended to use morning urine to test again, and if necessary, you can go to the hospital to have blood HCG drawn, because blood HCG is more sensitive than urine HCG, so it is recommended to have blood HCG drawn to find out if you are pregnant.