Most pregnancy tests include instructions that encourage you to wait at least one week between a negative test and taking another pregnancy test.
This is to allow time for your body to build up enough hCG (human chorionic gonadotropin) to be detected in your urine.
How soon will a pregnancy test read positive?
If you get a positive test result on the first day of your missed period, it’s probably about 2 weeks since you conceived. You can use the pregnancy due date calculator to work out when your baby is due. More sensitive tests may be able to confirm that you’re pregnant from as early as around 8 days after conception.
Is it possible to be pregnant and have a negative pregnancy test?
It’s possible to get a negative result from a home pregnancy test when you’re actually pregnant. This is known as a false-negative. You might get a false-negative if you: Take the test too early.
How many days after conception can I take a pregnancy test?
Most doctors recommend that you wait until the first day of your missed period before taking a home pregnancy test. A missed period is usually one of the first signs of pregnancy. This is usually around two weeks after conception. However, some tests are more sensitive than others and can be taken earlier.