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ClearBlue Pregnancy Test Reviews – Accuracy & How To Read


ClearBlue pregnancy tests are over 99% accurate. No other test offers the same accuracy as CB. They have early detection test that can be used 6 days before your expected period. The rapid detection test shows you result in one minute, the advanced digital kit are also very reliable products.

But first before I review each of their pregnancy tests. Let's discuss what a pregnancy kit is and why you need one.

What is a pregnancy Test

Pregnancy tests work by detecting the presence pregnancy hormone called human chorionic gonadotropin(HCG).

This hormone is produced by the placenta when a woman gets pregnant.​

There are two types of pregnancy test: Urine tests and pregnancy blood test.

HCG is responsible for most of the pregnancy symptoms that women have when they are pregnant.

ClearBlue Test-why get one

If you want to save time and cost of going to see a doctor, clearblue pregnancy test is the way to go.

There are many types of test available depending on how early you are testing or our fast you want your results to appear on the pregnancy kits.

Types of CB tests

1. Clear Blue Digital pregnancy test with weeks indicator

2. Clearblue Digital Pregnancy Test with Smart count down

3. Clear blue Early detection pregnancy test​

4. CB Rapid detection pregnancy test

5. Clear Blue Plus Pregnancy Test

6. Clear Blue Easy with color change tip​

So we would review each of them so you can make the best choices.

1. ClearBlue Digital Pregnancy Test with weeks indicator

Clear blue digital pregnancy test with weeks indicator is not only 99% accurate but it also lets you know how far along you are with your pregnancy just like an ultrasound.

Most pregnancy test only lets you know if you are pregnant or not, but this one uses an advanced technology to let you know how many weeks pregnant you are (isn't that cool).

Isn't it cool to have a test that tells you how many weeks you are.

I love it because aside from the accuracy, it tells you an estimate of how far along you are e.g 2 weeks to 3 weeks pregnant.

  • Tells how many week pregnant you are

2. ClearBlue Digital Pregnancy Test with smart countdown

The smart count down digital pregnancy test is so awesome that the test doesn't leave you wondering whether the test is working or not.

It lets you know the test is working by showing a progress indicator to let you know when the answer is coming.

This is a digital kit and doesn't require you to look for a faint line that leaves you guessing.

Some people say it takes the anxiety away by giving you assurance of when the result would appear.

The test also has a superior flood guard technology that prevents excess urine from entering the device to cause an error.

  • Tests up to 5 days sooner
  • As a unique smart count down

3. ClearBlue early detection Pregnancy Test

The early detection test is over 99% accurate and you can even test up to 6 days early! isn't that cool.

It is so awesome to know you can get your results 6 days before your missed period.

Clear-blue clearly understands that someone who has been trying for a baby finds it hard waiting the two weeks wait.

This is the one for you if you want to know if you are pregnant or not on time.

This is definitely the most sensitive pregnancy test out there. It detects your HCG level immediately after implantation.

One of the signs of implantation is implantation bleeding and cramping.​

  • Easy to read and Use
  • Can test up to 6 days before missed period

4. ClearBlue Rapid detection Pregnancy Test

The rapid detection test is for you if you want your pregnancy result as fast as 1 minute when testing from the day of your missed period.

In fact, this test has an award winning design after CB did an extensive research with women.

The accuracy is to notch and this is a digital test kit with no faint line to watch darken. The gives you clear result + meaning pregnant and - meaning not pregnant.

  • Easy to read +ve or -ve test results

"I have used Clearblue Pregnancy Test. Very good product, I have been satisfied, a good experience. As soon as I did used the test the sign came straight away. Very quick and explanation was clear".


How to use CB pregnancy test instructions

Instruction on how to use clearblue is one of the most frequently asked questions.

The first thing you want to do before testing is to read the instruction leaflet carefully.

If testing some days earlier than your expected period, use your first urine in the morning.

If testing from the day of your missed period, test with urine from any time of the day.​

Here are the steps to take to test for pregnancy:

1. Remove the test stick from the foil wrapper and take off the cap.​

2. Make sure the tip is pointing downwards, hold the absorbent tip in your urine for 20 seconds only. If using the rapid detection test hold for 5 seconds only.​

3. You will then see a flashing waiting box symbol. This means the test is working properly and it is loading. Within 3 minutes the results will show up. If using the rapid detection pregnancy kit the result will show within one minute.

4. The display box is a little window which shows if you're pregnant or not pregnant. The result will then disappear after 24 hours.

Lots of youtube videos also teach you how to use the CB test.


Some test give you unreliable and unclear result but this brand doesn't.

Negative result

A negative test result means you are not pregnant

Positive Result

A positive test result means you are pregnant and you should start to notice some pregnancy symptoms in the next coming days or week. This depends on how early you tested.


A faint line may mean you are pregnant or not pregnant. It is easy to mistake an evaporation line for a faint line. An evaporation line occurs when urine begins to evaporate from the test strips.

A very faint or light line is a sign of evaporation. This is common when using a pregnancy test strip.

False Positive​ result

A false positive pregnancy test could appear if the test is bad or you tested incorrectly.

If you are unsure if pregnant or not, you can take another test or go to the doctor for a blood test instead of using a home pregnancy test like clear blue.​

Book Symbol or ICon

If your test comes up with a book symbol, it means there is a booking error which was caused by peeing on the test stick too much or not peeing on it enough.

Simply refer to the book and take a new test.​

What is the Price or how Much Does the Test Cost

If you are in the united kingdom, the test costs around £9.50 in tesco, boots, morrisons or Asda.

If in the United States of America​, you can get the test at Walgreens, Amazon, Walmart, or CVs for a price between $15.99 - $23.99.

where to buy (Amazon, Target, Walmart, Cvs or walgreens)

You can get the home pregnancy test at most Shops and supermarkets and online stores such Amazon, Walgreen e.t.c

Recommended For You

Pregnancy Quiz

Most Accurate Am I Pregnant Quiz


Looking for how to find out if your pregnant without a pregnancy test? You are in the right place. Take the most accurate pregnancy quiz on this site.


Online pregnancy quizzes are a set of questions designed to check if the symptoms and signs you are feeling are pregnancy related.

Online tests do not replace real pregnancy test (home pregnancy tests or pregnancy blood tests).

You can take this online quiz right now to determine you are pregnant or not. You don't have to get messy with urine based pregnancy tests.




Our online pregnancy test is very accurate and simple to take.

We still advise you take a home pregnancy test after missed period to help confirm your pregnancy.

When you start the quiz, you will be asked a few questions to help determine if you are pregnant or not.

Some websites use online pregnancy test scan. We do not know how accurate the scanners are.​

Pregnancy symptoms quiz - Am I PREGNANT

This pregnancy symptoms quiz will give you a result after the test to tell you if your nausea, cramps, mood swing and other signs you have are indeed pregnancy related.

If wondering and asking yourself "could I be Pregnant". Take our pregnancy symptom test quiz now to find out.

Some of the quiz questions are:

1. Is your period late

2. Are you feeling tired more than usual and so on.​

How to find out If you are pregnant without a Pregnancy test

There are various ways you can find out if you are pregnant without a pregnancy test or a pregnancy kit.

Collect Your Urine

  • Collect your first urine after waking up in a bottle or a container
  • Place in a safe place and leave untouched for 3-4 hours
  • If the urine has a white film form on it, chances are you may be pregnant
  • If the urine remains the same, then you are not pregnant.

2. Look out for early symptoms of pregnancy

  • Missed Period
  • Breast tendeness
  • Frequent urination
  • Increased Body Basal Temperature
  • Abdominal bloating
  • Nausea and vomitting
  • Tiredness and Fatigue
  • Food craving and aversion

When to take a pregnancy Test

According to NHS pregnancy test are more accurate and reliable from the first day of your missed period.

Pregnancy test have varying sensitivity. The package label on the test should tell you how sensitive the test is and when you should test for pregnancy.

It is mostly recommended to wait a week after your missed period to test for pregnancy.

This is because the pregnancy hormone called HCG detected by most early pregnancy test needs to be above 5mIU.

If you test too early you might get a negative test result, because the level of human chorionic gonadotropin (HCG) hormone is not high enough.

Wait a few more days after your missed period to try again.

A positive pregnancy test result means you are pregnant. While a negative pregnancy test result means you need to try again if you feel you are pregnant.

Am I pregnant calculator

There is an Am I pregnant calculator, that calculates if your menstrual period is late or not.

​There is one available at:


Thank you for taking our Am I pregnant quiz.

How Soon After Implantation Can I take a Pregnancy Test


How long after implantation can you get a Positive Pregnancy Test

​Implantation bleeding is one of the earliest symptoms of pregnancy. But the best way to confirm if pregnant or not is to take a pregnancy test after implantation.

A blood pregnancy test gives a positive result 3-4 days after implantation. A urine based pregnancy test gives a positive pregnancy result 4-5 days after implantation has occurred.

If counting from ovulation or conception date, blood test can detect pregnancy 10 - 11 days after conception. While urine test detect pregnancy 12-14 days after conception.

There are various types of pregnancy test, some are more sensitive than others.

Getting a positive pregnancy test after implantation is dependent on 2 factors:

  • Your level of Human Chorionic Gonadotropin(HCG)
  • The sensitivity of the pregnancy test

How Implantation WOrks

Implantation is the process by which the fertilised egg attaches itself to the lining of the uterine walls.

Implantation usually occurs 6 to 12 days after conception.​

You can only get a positive test after a successful implantation.

Ovulation happens around day 12-day 16 of the menstrual cycle.

When a matured egg is released during implantation, it can only survive for 12-24 hours.

If the egg is fertilised by a sperm, conception occurs.

The fertilised egg starts to divide rapidly into ​multiple cells as it travels down the fallopian tube slowly.

It takes the fertilised egg 6 -7 after conception to get to the uterus(womb).

The next step for the blastocyst is to attach itself to the walls of the uterine lining in other to grow and develop.

After a successful embryo implantation. The embryo will divide into 2 different parts: Placenta and fetus. The role of the placenta is to supply essential nutrients to the growing baby.

After implantation, the placenta produces a pregnancy hormone called HCG.


HCG level doubles every 48 -72 hours after implantation. It will continue to rise until week 10 -12 of pregnancy. It then drops off after that to remain at a constant level.

Here is a guideline of what HCG level by pregnancy week should be:

HCG levels under 5mIU/ml gives a negative test result.

By week 5 of pregnancy (from your last menstrual period), HCG levels should be between 18 - 7340 mIU/ml.

Implantation Bleeding Negative pregnancy test

It is possible to have brown spotting or light spotting before your period and still get a negative pregnancy test.

This could happen if you didn't wait long enough before testing. A false pregnancy test happens if you test for pregnancy too early before HCG level is high enough to be detectable by most urine or HPTs.

It is generally recommended to wait a week after a missed period before testing.


Implantation bleeding occurs around 6- 12 days after ovulation. This is around a week to a few days before your expected period.

Not all women experience implantation bleeding. So you may still be pregnant and not have any form of spotting before your period is due to start.

Can you take a pregnancy Test when you have implantation bleeding

Don't take a pregnancy test immediately you see implantation bleeding. Wait a few more days or a week after a missed period to test.

Taking a pregnancy test during implantation bleeding can yield a false or negative test result. This is because the pregnancy hormone produced by the placenta after implantation isn't high enough to be picked up by early pregnancy detection test.

Two weeks after implantation bleeding negative pregnancy test

There are many reasons for a negative pregnancy test.

Some of the common reasons are:

  • You are pregnant but your pregnancy hormone is not high enough​
  • You are not pregnant, you had light spotting before period for other reasons
  • The pregnancy test is not working properly
  • There is something wrong with your pregnancy

If I have implantation bleeding will pregnancy test be positive

It takes about 2 -3 days after implantation for most sensitive pregnancy test such as with the first response test to be able to detect pregnancy.

If you have a negative test result after implantation, It is because your HCG level is not high enough. Wait a couple of more days to test.​

Ovulation After Miscarriage


Also take a note of the date your vaginal bleeding comes to an end on the calendar.

Image Source: http://supportkids.org/getting-pregnant/fertility/charting-your-cervical-mucus

Your cervical mucus changes in texture, consistency and color throughout the menstrual cycle.

Immediately after your period or vaginal bleeding, you will experience a period of dry cervical mucus.

As your approach ovulation, your cervical mucus becomes watery or cloudy.

On the day of ovulation when you are most fertile, your cervical mucus becomes, slippery and clear. It looks like egg white cervical mucus. Your day of ovulation is the best time to have intercourse to conceive.​

Egg white cervical mucus

Cervical mucus charting is one of the ways to detect ovulation.

Human Chorionic Gonadotropin (HCG) is an hormone your body produces when you become pregnant. This is the hormone detected by home pregnancy tests.

​Your hcg levels after a miscarriage will start to decline gradually. Every woman is different. The time HCG level return to normal may differ.

Your menstrual cycle will return when HCG level is 0(zero).

If you still have pregnancy symptoms after a miscarriage, it may be your HCG level is yet to return to normal.

See your Doctor, to get checked for your HCG levels. Your HCG levels should return to normal before period or pregnancy occurs.

Ovulation tests take the guessing work off detecting ovulation.

Urine based ovulation test works by ​detecting a surge in luteinising hormone (LH) in your urine. Just before ovulation LH surge takes place. LH surge indicates ovulation will take place in the next 12 hours to 24 hours.

Clear blue ovulation predictor kits are so easy to use, they give your a smiley face when ovulating.

Enter the first day of your miscarriage spotting or bleeding as the first day of your menstrual period.

Then proceed to fill in the the normal length of your menstrual cycle before you had a miscarriage.

After miscarriage, ovulation occurs 4 weeks to 6 weeks. For some women it may return as early as 2 weeks post miscarriage.

A miscarriage bleeding can last for just a few hours or for up to two weeks.

Some women can experience vaginal bleeding for 2 weeks with heavy clots.

While for others it may start as light spotting and gets heavy for a few days and then goes back to light brown spotting before stopping.

There are some scientific studies that show that women are more fertile after a miscarriage. Although it is advisable to wait a few cycles before getting pregnant.

Ovulation symptoms are the same with or without a miscarriage. signs of ovulation to look out for are: Mild abdominal cramps, changes in cervical mucus, increased libido, ovulation spotting, increased BBT.

The best way to detect ovulation is by using an ovulation predictor kit.

Even though your are more fertile for some months after miscarriage, it is advisable you wait for one menstrual cycle before trying to get pregnant again.

It is important to have sex during your fertile window to get pregnant. A woman is only fertile for 5 days during her menstrual cycle.

These are the four days before ovulation and the day of ovulation itself.

After ovulation, the egg can only live for 12 hours to 24 hours. If not fertilised by a sperm it dies and disintegrates rapidly.

Chances of getting pregnant after ovulation is only possible, if you have sex within 12-24 hours after a positive LH surge.

Can Implantation Bleeding Be Bright Red


Implantation blood ranges from light pink to bright red blood or even a dark brown discharge. A bright red discharge means the blood is expelled quickly from the uterus.While a darker blood means the blood is expelled slowly and the blood is old.

But first, let us understand what implantation is and how the bleeding occurs.

What is implantation bleeding?

Implantation bleeding is a light bleeding or spotting when the fertilised egg buries itself in the lining of the uterus 6-12 days after conception.

It is one or the earliest signs of pregnancy before a missed period. And it is often mistaken for the start of a menstrual period.​

Can Implantation Bleeding Be Bright Red

Implantation bleeding can be bright red, pinkish or dark brown. The color of the blood depends on how fresh it is and how quickly it was expelled from the uterus into the vagina.

The most important thing is that implantation spotting is a scanty discharge and it is not heavy at all. Except in a few cases.

Can Implantation Bleeding be heavy?

No, implantation does not cause heavy vaginal bleeding.

Implantation bleeding is usually lighter and scantier than your normal period.

Heavy implantation bleeding occurs in rare cases.​

Implantation bleed is not heavy enough to soak a tampon, a pad or tissue paper.

It is usually a stain of blood or a streak of blood, that you notice when you wipe yourself or in your panties.

Can Implantation Bleeding have clots?

No, vaginal bleeding with clots is not implantation bleeding

Clots and tissues are common during your period or during a miscarriage.

If you have a heavy bleeding and you are passing out blood clots and grey tissue, you may be having a miscarriage.

How long does Implantation Bleeding Last?

Implantation bleeding lasts for a few hours or 1 -2 days. The duration varies for every woman for some it may last a few hours while for others it may last for 2 days.

Some women experience on and off spotting for 2 days. ​

When Does implantation bleeding occur?

Implantation happens 6 -12 days after conception. At ovulation, the egg is released into the fallopian tube. The egg can only live for 24 hours after ovulation.

If fertilised, it starts to divide rapidly into multiple cells called blastocysts.

It takes the blastocysts 6 -7 days to move from the fallopian tube into the uterus.

The next task of the fertilised egg (blastocysts) is to attach or embed itself into the lining of the uterus.

After implantation an increasing amount of HCG hormone is released.

This is the hormone detected by most home pregnancy test kit.​

What Does implantation Bleeding Look Like (Pictures)

Here are some pictures and images to help you better understand what implantation bleeding looks like:

Bright Red Blood

Image source:Peeonasteakfreak.com

A bright red spotting before period many be caused by implantation, infection, birth control or miscarriage. See a Doctor immediately if you are worried or have severe abdominal cramps.