Early Pregnancy Test – When is the Earliest I Can Test?

No. All Clearblue Pregnancy Tests are sensitive enough to detect hCG in your urine from the day your period is due. You can use Clearblue Pregnancy Tests up to 4 days before your period is due, although the pregnancy hormone levels in your urine may not be high enough to be detected. So if you test early and you get a “Not Pregnant” test result, we recommend you test again when your period is due. Click here for more information about Clearblue Pregnancy Tests.

We recommend testing for at least 19 days after unprotected sex, or from the day your period is due.

If you’re taking the contraceptive pill you may be unsure when to test because the bleeding you have when you are taking the contraceptive pill is a ‘withdrawal’ bleed and not a real period.
We recommend testing for pregnancy at least 19 days since the last time you had sex or from missed pills/stomach upset/antibiotics. If the test is ‘Not Pregnant’, and you still think you might be pregnant, wait at least 3 days and then do another Clearblue Pregnancy Test.

If you have recently stopped taking the contraceptive pill your periods can be irregular, so you might test too soon. If you have no idea when your period is due, we recommend testing at least 19 days from the last time you had unprotected sex. If the result is ‘Not Pregnant’ and you still think you might be pregnant, wait at least 3 days and then do a second Clearblue Pregnancy Test.

Missing and irregular periods are common with these types of contraceptives, so it’s difficult to know when to do a Clearblue Pregnancy Test. We recommend testing at least 19 days after unprotected sex. If the result is “Not Pregnant” and you still think you might be pregnant, wait at least 3 days before doing another Clearblue Pregnancy Test, because you may have tested too early

If you’re using fertility therapies like clomiphene citrate, your cycle length may have changed, leading you to test too soon. We recommend testing at least 19 days since you last had unprotected sex.
If the result is “Not Pregnant” and you still think you might be pregnant, wait at least 3 days before doing another Clearblue Pregnancy Test, because you may have tested too early.

After a miscarriage or termination, hCG may take up to 9 weeks to return to normal levels. If you test during this time, it’s impossible to know if a ‘Pregnant’ result is caused by a new pregnancy or by hCG from your previous pregnancy. In this case, we would recommend that you contact your doctor.

If it is more than 9 weeks since your miscarriage or termination, it may be difficult to calculate when to test because your cycle may be irregular. If you have no idea when your period is due, we recommend testing at least 19 days from the last time you had unprotected sex. If the result is “Not Pregnant” and you still think you might be pregnant, wait at least 3 days before doing another Clearblue Pregnancy Test.

After giving birth, hCG may take up to 3 weeks to return to normal levels. If you test during this time, it’s impossible to know if a “Pregnant” result is caused by a new pregnancy or by hCG from your previous pregnancy. In this case, we would recommend that you contact your doctor.

If you’re breastfeeding you might not be ovulating or having regular periods. So, to be sure you’re testing at the right time, we recommend testing at least 19 days from the last time you had unprotected sex. If the result is “Not Pregnant” and you still think you might be pregnant, wait at least 3 days before doing another Clearblue Pregnancy Test, because you may have tested too early

No, fertility therapies like clomiphene citrate will not affect the test. However, clomiphene citrate can alter your normal cycle length and lead you to test too soon, so we recommend testing at least 19 days from the last time you had unprotected sex.

If the result is “Not Pregnant” and your period hasn’t started, wait at least 3 days before doing another Clearblue Pregnancy Test.

Only fertility drugs that contain the pregnancy hormone hCG affect the test result. These drugs are usually given by injection, and testing too soon after the injection may give a false ‘Pregnant’ result. We recommend testing no sooner than 14 days from the last injection, unless your doctor or hospital has advised you otherwise.

No, the contraceptive pill won’t affect your result. But if you’re taking the pill you may be unsure when to test because the bleeding you have when you are taking the contraceptive pill is a "withdrawal" bleed and not a real period.

We recommend testing at least 19 days since the last time you had sex or from missed pills/stomach upset/antibiotics. If the test is ‘Not Pregnant’, and you still think you might be pregnant, wait at least 3 days and then do another Clearblue Pregnancy Test.

As far as we are aware, they should not. However, if you are taking any medication, please read the manufacturers instructions before doing a Clearblue Pregnancy test, or discuss it with your doctor.

• Always read manufacturers’ instructions for any medication you are taking before conducting the test.
• Fertility drugs containing hCG can give misleading results (these fertility drugs are usually given by injection and testing too soon after administration may give a false ‘Pregnant’ result).
• Other fertility therapies (such as clomiphene citrate), painkillers and hormonal contraceptives (e.g. contraceptive pill) should not affect the result.
• If you have recently stopped using hormonal contraception or are using fertility therapies like clomiphene citrate, your periods may be irregular, leading you to test too soon.
• If you have recently been pregnant (even if not carried to full term) you may get a false ‘Pregnant’ result.
• Ectopic pregnancy, ovarian cysts, menopause and some very rare medical conditions can give misleading results.
• If you have a ‘Pregnant’ result it is possible that you later find that you are not pregnant due to natural loss of the pregnancy which can occur in the early stages.

If you do get unexpected results you should discuss them with your doctor.

Yes, it’s important not to drink too much before you do a test. It’s better to wait until you naturally need to pass urine. This way, you’ll avoid diluting your level of pregnancy hormone and getting a false ‘Not Pregnant’ result.

No. But drinking lots of fluid can affect the concentration of hCG in the urine sample. So, try not to drink too much before you do a Clearblue Pregnancy Test and wait until you naturally need to pass urine.

No, breastfeeding won’t affect the result. But if you’re breastfeeding you might not be ovulating or having regular periods. So, to be sure you’re testing at the right time, we recommend testing at least 19 days from the last time you had unprotected sex. If the test is ‘Not Pregnant’, and you still think you might be pregnant, wait at least 3 days and then do another Clearblue Pregnancy Test.