It is more than 99% accurate in detecting whether or not you are pregnant, when used from the day of your expected period. If you test before your expected period and get a Not Pregnant result, there is still a chance you may be pregnant.

How far along is clearblue 2 3 weeks?

1 – 2: this means you are pregnant and conceived approximately 1 – 2 weeks ago. 2 – 3: this means you are pregnant and conceived approximately 2 – 3 weeks ago. 3+: this means you are pregnant and conceived more than 3 weeks ago.

How common is a false negative pregnancy test?

Getting a false-negative pregnancy test because of the hook effect is rare. False-negative test results can happen for many reasons. One older study that tested 27 different kinds of at-home pregnancy tests found that they gave false negatives almost 48 percent of the time.

How many weeks pregnant are you when you take a test?

Some women take 2 to 3 weeks after a missed period before producing a detectable level of the pregnancy hormone.

Is 3 weeks too early for a pregnancy test?

If youre not sure when your period is due, do a test at least 3 weeks after you last had unprotected sex. It is important to remember that it can take a week or more after youve missed your period before you produce enough pregnancy hormones for a test to detect.

Can a pregnancy test be positive at 3 weeks?

When can I take a pregnancy test? By the end of this week you may be able to get a positive pregnancy test. Pregnancy tests work by detecting the presence of a hormone called human chorionic gonadotropin (hCG) in your urine.