Faint blue line on clearblue pregnancy test

Mar 24, 2022 · No pregnant digital, but faint line inside. All my clear blue and first response tests are coming back with a faint line and I knew it was too early to take a digital but I had one laying around and decided to do it anyway. It said not pregnant and I took it apart to see the test strip inside. The line is super faint, which would make sense why ...

Faint blue line on clearblue pregnancy test. A very faint line on a pregnancy test usually means that implantation has occurred and you're in the early stages of pregnancy. But you'll want to test again a few days or weeks later to see if that line has become thicker …

Clear blue early results pink dye faint line. First pic : lines were too close together ( 11 dpo ) Second pic: lines are good amount of width but what concerns me is the slant .. ( 12 dpo ) Both within time frame. Period due tomorrow 2/10.

A pregnancy test detects the presence of the hCG ‘pregnancy’ hormone. HCG is normally only present in your body if you are pregnant. Any positive line, no matter how faint, means your result is pregnant. Levels of hCG in your body will increase over the course of your pregnancy. If you test early, your hCG levels may be still be low and you ...Nov 5, 2023 · A faint line on a pregnancy test can mean a positive result, an evaporation line, a chemical pregnancy, or a miscarriage. Pink dye and digital tests are preferred over blue dye tests, as blue dye tests can show misleading evaporation lines. If you get a faint line on a pregnancy test, wait a few days and test again, or consult your doctor for a ... When I got my bfp it was very clear on a FRER but took a few days to get a clear line on clear blue early detection. It took around 5 days to get a positive on a digital. @AdriannaP @Starburst12 okay thank you. Still no sign of period as of yet technically this is day 37 of my cycle.1) Thickness. The first way you can tell the difference between a faint positive pregnancy test result and an evaporation line is by paying attention to the thickness of the line. On a true positive pregnancy test result, the test line will be the same thickness as the control line. On the other hand, evaporation lines will usually be thinner ...The sensitivity of pregnancy test depends on the fact that what is the minimum amount of hCG detectable by a pregnancy test. Hence the Rexall Pregnancy Test hCG level is more sensitive compared to many brands. Rexall Pregnancy Test has accuracy over 99%. It can detect pregnancy on the day of your missed periods with an …Oct 25, 2023 · A pregnancy test is designed to show a line if it detects, in the urine you dipped it into, a threshold level of a hormone called human chorionic gonadotrophin (hCG). Levels of hCG start low, then rise hugely from 4 to 5 weeks of pregnancy on. They are at their highest at about 10 weeks of pregnancy, and then slowly fall again. A pregnancy test detects the presence of the hCG ‘pregnancy’ hormone. HCG is normally only present in your body if you are pregnant. Any positive line, no matter how faint, means your result is pregnant. Levels of hCG in your body will increase over the course of your pregnancy. If you test early, your hCG levels may be still be low and you ...allgoodthings84 · 04/06/2023 12:10. If the test wasn’t looked at until an hour then it’s invalid. These clear blue test do show a blue thin evap line after the time quite a lot. They are only worth looking at within the time stated on the instructions.

A progressively fading line can mean a very early pregnancy loss called a chemical pregnancy, says Minkin. An ectopic pregnancy —when a fertilized egg implants outside of your uterus, most often in the fallopian tube—could also be the reason, say experts. This is a non-viable pregnancy and a medical emergency.Dec 5, 2021 · Dark blue line 10 minutes after test. 12 replies. Jalebi88 · 05/12/2021 22:34. Hi everyone, First time posting on here! I did a pregnancy test this morning (first urine) and did a clear blue test where you can test 6 days early. I think it's 2 weeks since I've ovulated. So the test didnt have a line on it straight away, went away and came back ... What is the hook effect? Generally speaking, the hook effect refers to a false-negative result in a test designed to detect a specific substance — a false negative caused by an overabundance of the substance the test is looking for. 2 The hook effect can occur in tests that measure proteins, antibodies, antigens or other substances — like ...If hCG is present in the urine, both the test line and control line will appear pink. Two pink lines indicate a positive result, even if one line is fainter than the other. Some tests, like First Response™ Early Result Pregnancy Tests, are very sensitive and can detect lower levels of hCG so you can test as early as 6 days sooner.*.A pregnancy test works by detecting the hCG hormone, which is usually only present in your body if you’re pregnant. A positive result—even a faint line—on a pregnancy test means you’re almost certainly pregnant. False positive results are incredibly rare, and only happen if you have recently been pregnant, you’re on fertility ...it’s almost impossible to have a false positive, it wouldn’t heart to take another but i would maybe wait a couple more days before doing so. It means you’re currently pregnant. But take a test in a few days and see. Don't take another one tomorrow, take one in 2 days time. It will either get darker or be more faint.The innovative Clearblue® Rapid Detection Pregnancy Test offers many important benefits: It provides an easy-to-read pregnant (+) result from 1 minute when used from the day of missed period. The user should wait 3 minutes to confirm a not pregnant (-) result. It is over 99% accurate at detecting pregnancy from the day of the expected period 1.

1) Thickness. The first way you can tell the difference between a faint positive pregnancy test result and an evaporation line is by paying attention to the thickness of the line. On a true positive pregnancy test result, the test line will be the same thickness as the control line. On the other hand, evaporation lines will usually be thinner ...If accidentally ingested please seek medical advice and for any further questions contact our careline at 1-800-321-3279. Clearblue® Rapid Detection Pregnancy Test has been designed to offer you the easiest pregnancy testing experience, with the accuracy you expect from Clearblue® – and a pregnant result as fast as 1 minute when testing ...A faint line still indicates a positive pregnancy. According to fertility expert Dr. Aumatma Shah, "A faint result may mean that you took the test too early when there was not enough hCG available in your urine to produce a dark line. Or, it could be that the embryo didn't implant, and hence, there was not enough hCG being produced.When the test line is faint or evaporated, it can be challenging to determine whether you are actually pregnant. Understanding Pregnancy Test Results. Pregnancy …Clear blue positive after 10 minute mark. t. tew39. Posted 14-03-19. Hi, just wondering if anyone has seen a clear blue like this after the ten min mark? Took this this afternoon then put it away thinking it was negative, got it back out 30-40 mins later. Thanks for your help :)Positive: Yes, a faint test usually means a positive result! When a test is taken properly, a faint line often means pregnancy and is not just an evaporation line. Negative: However, a very faint line can *sometimes* indicate an evaporation line, which is nothing more than your urine drying on the test. (It is usually more of a grey color than ...

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Dec 5, 2021 · Dark blue line 10 minutes after test. 12 replies. Jalebi88 · 05/12/2021 22:34. Hi everyone, First time posting on here! I did a pregnancy test this morning (first urine) and did a clear blue test where you can test 6 days early. I think it's 2 weeks since I've ovulated. So the test didnt have a line on it straight away, went away and came back ... Did a CVS Early Result Pregnancy test this morning and saw a faint blue line develop start to develop a within 2-3 minutes. 10-15 mins later it had formed into a darker blue line. It was a pee on the stick test, so not sure if any urine may have splashed on to to the test window. I’m going to go buy another test to recheck tomorrow morning.is being absorbed but you MUST continue to hold the tip in your urine for a full 5 seconds. Replace the cap and lay the test stick flat. If the tip does not turn completely pink, see ‘Test errors’. 3 Wait. Blue lines will start to develop. If not, see ‘Test errors’. Wait 3 FULL minutes before reading your result.Some companies that make home pregnancy tests, such as Clearblue, occasionally mail free samples of their products to a select number of women while supplies last, according to Fre...A pregnancy test works by detecting the hCG hormone, which is usually only present in your body if you’re pregnant. A positive result—even a faint line —on a pregnancy test means you’re almost …

A pregnancy test works by detecting the hCG hormone, which is usually only present in your body if you’re pregnant. A positive result—even a faint line—on a pregnancy test means you’re almost certainly pregnant. False positive results are incredibly rare, and only happen if you have recently been pregnant, you’re on fertility ...Results 6 days early 2. When you want to know if you’re pregnant waiting to test can be hard. That’s why Clearblue Ultra Early Pregnancy Test can be used up to 6 days before your missed period, which is 5 days before the day you would expect your period to start (your expected period). 1.There are several different reasons why a faint line may appear on a Clearblue pregnancy test, including: 1. You took the test too early – pregnancy tests work by detecting the hormone hCG (human chorionic gonadotropin), which increase during pregnancy.Apr 29, 2021 · Clearblue Clearblue Early Detection Pregnancy Test - 2 tests. £12 at Boots. Credit: . ... Something to be aware of, though: a faint line on a pregnancy test can, sadly, be a sign of early ... Anonymous. Hi everyone, My partner and I had unprotected sex about 10 days ago and I've taken a test today but I'm really unsure of the result! I've taken tests in the past and the negative has always been so clear. However this time I have noticed a very faint positive line, could this mean I am pregnant but the HCG is too low, or could it be ...A pregnancy test is designed to show a line if it detects, in the urine you dipped it into, a threshold level of a hormone called human chorionic gonadotrophin (hCG). Levels of hCG start low, then rise hugely from 4 to 5 weeks of pregnancy on. They are at their highest at about 10 weeks of pregnancy, and then slowly fall again.The Clearblue® Early Digital Pregnancy Test and Clearblue® Early Detection Pregnancy Test, can detect hCG as early as 6 days before your missed period. 4,5. You can use the calculator below …A faint line can be negative, although it's rare. This can be caused by a chemical pregnancy, which is when a woman miscarries during early pregnancy before anything can be seen on an ultrasound [8]. It may mean someone was recently pregnant as there is remaining hCG detected as a positive test result. In other cases, a faint positive …Oct 13, 2023 · What does a faint line look like? Each pregnancy test is different, with some brands using a red dye and others, like Clearblue, a blue dye. For a red dye test, a faint line will look light pink, whereas a blue dye test will produce a light blue line See images below to get an idea of what a faint line can look like. allgoodthings84 · 04/06/2023 12:10. If the test wasn’t looked at until an hour then it’s invalid. These clear blue test do show a blue thin evap line after the time quite a lot. They are only worth looking at within the time stated on the instructions.Taking a test early in your pregnancy (especially before your missed period) could result in a faint line, as the test may not clock as much hCG in your body. In a nutshell: the more hCG in your body, the stronger and more visible the positive line will be. Whether the line is faint or bold, a pink line usually indicates you are pregnant.Clear Blue Ultra Early horizontal line- what does this mean? 33 replies. Amy929292 · 27/08/2020 09:11. Hi everyone, I've just taken a Clear Blue Ultra Early pregnancy test and it has the vertical control line as expected, but in the pregnancy window it should show a vertical line if pregnant- mine showed a horizontal line. What does this mean?

Clearblue Clearblue Early Detection Pregnancy Test - 2 tests. £12 at Boots. Credit: . ... Something to be aware of, though: a faint line on a pregnancy test can, sadly, be a sign of early ...

1) Thickness. The first way you can tell the difference between a faint positive pregnancy test result and an evaporation line is by paying attention to the thickness of the line. On a true positive pregnancy test result, the test line will be the same thickness as the control line. On the other hand, evaporation lines will usually be thinner ...Oct 25, 2023 · A pregnancy test works by detecting the hCG hormone, which is usually only present in your body if you’re pregnant. A positive result—even a faint line —on a pregnancy test means you’re almost certainly pregnant. False positive results are incredibly rare, and only happen if you have recently been pregnant, you’re on fertility ... Oct 13, 2023 · A pregnancy test detects the presence of the hCG ‘pregnancy’ hormone. HCG is normally only present in your body if you are pregnant. Any positive line, no matter how faint, means your result is pregnant. Levels of hCG in your body will increase over the course of your pregnancy. If you test early, your hCG levels may be still be low and you ... Pregnancy TestUltra Early. Pregnancy Test. Ultra Early. When you want to know if you’re pregnant waiting to test can be hard. That’s why Clearblue Ultra Early Pregnancy Test can be used up to 6 days before your missed period, which is 5 days before the day you would expect your period to start (your expected period). 1.Hello. This looks pretty positive. Theses tests can show false positives especially if they are left out for awhile. Regardless, I would say it’s probably a positive result. I just want to say that life is full of surprises and ups and downs. Along the way, there are many, many great/knowledgeable resources to help. When you are pregnant your body produces the pregnancy hormone hCG (human Chorionic Gonadotrophin). The amount of hCG in your body increases in the early stages of pregnancy. Clearblue Rapid Detection can detect tiny amounts of this hormone in your urine (the sensitivity of this test is 25mIU/ml). I am not sure when my next period is expected. jasmine11. Feb 16, 2017 2:04PM in Trying to conceive. Hi there, I have done a clear blue pregnancy test and half a line has showed where you would expect to see positive. You can barely see it in pictures it's clearer in person but I …Adding a photo ID and selfie requirement to Twitter Blue's verification process could help to fight against impersonation. Twitter appears to be testing a new verification process ...Mar 24, 2022 · No pregnant digital, but faint line inside. All my clear blue and first response tests are coming back with a faint line and I knew it was too early to take a digital but I had one laying around and decided to do it anyway. It said not pregnant and I took it apart to see the test strip inside. The line is super faint, which would make sense why ...

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Dec 8, 2009. Messages. 1,933. Reaction score. 0. Jun 28, 2010. #5. Evaps on the blue dye tests frequently turn up BEFORE the time limit. A true positive on a blue dye is generally unmistakable - quite dark and no questioning that it is there.Evaporation line: This is a faint line that appears on a pregnancy test after the ink has dried. Pregnancy tests are designed to be read during a three to five minute window during which the ink is still wet. Indent line: If you see a very faint second line with no color at all, this may be an indent line. Pregnancy tests contain indentations ...Jul 4, 2023 · A faint line on a pregnancy test usually means it’s a positive result so, yes, you’re pregnant. Even the faintest of lines signals the detection of the pregnancy hormone, hCG, which can be detected after you have conceived. After positive pregnancy tests, many women re-test in the following days, ideally on waking in the morning. Every day I took one in the morning, and although still faint they started getting slightly darker! OH only believed it when he came home from work with clear blue digital, saying it would be in black and white lol of course I got a Pregnant 1-2 weeks! Keep on testing 😄 good luck xx. 0. Reply.Nov 5, 2023 · A faint line on a pregnancy test can mean a positive result, an evaporation line, a chemical pregnancy, or a miscarriage. Pink dye and digital tests are preferred over blue dye tests, as blue dye tests can show misleading evaporation lines. If you get a faint line on a pregnancy test, wait a few days and test again, or consult your doctor for a ... Faint positive line on clear blue 37 replies lucyrp · 23/04/2020 07:51 Hi Everyone, need some help. My little boy is now 5 and me and my partner have been trying to get pregnant. ... The first pregnancy test I did took a while to turn and it was just due to how early on I found out.. I then waited a few days and the test turned quite quickly ...Clear Blue Ultra Early horizontal line- what does this mean? 33 replies. Amy929292 · 27/08/2020 09:11. Hi everyone, I've just taken a Clear Blue Ultra Early pregnancy test and it has the vertical control line as expected, but in the pregnancy window it should show a vertical line if pregnant- mine showed a horizontal line. What does this mean?jasmine11. Feb 16, 2017 2:04PM in Trying to conceive. Hi there, I have done a clear blue pregnancy test and half a line has showed where you would expect to see positive. You can barely see it in pictures it's clearer in person but I …A pregnancy test is designed to show a line if it detects, in the urine you dipped it into, a threshold level of a hormone called human chorionic gonadotrophin (hCG). Levels of hCG start low, then rise hugely from 4 to 5 weeks of pregnancy on. They are at their highest at about 10 weeks of pregnancy, and then slowly fall again. ….

Jan 2, 2023 · Normally my periods are 28-30 days always, which would mean I was due on my period on the 30th of December. Obviously I know that my period might be due later due to the miscarriage and ectopic and ovulation.. I tested on the 30th using the Clearblue Early Detection and saw a very faint line. The photo was taken after the 3 minutes and ... When the test line is faint or evaporated, it can be challenging to determine whether you are actually pregnant. Understanding Pregnancy Test Results. Pregnancy …Pregnancy test positive but after 30 mins and very thin!! 15 replies. Hari1 · 13/01/2021 08:09. I have taken two clear blue early tests and they were negative in three minutes, or maybe the very very faintest hint of a line and then went back 30 mins later to distinct positives but the line is very thin.Avoid the temptation to test early – wait until the first day of a missed period. Testing too soon can result in false negative results. Don't use an expired test. Carefully read and follow the instructions that come with your test. Take the test first thing in the morning, since that's when the pregnancy hormone hCG in your urine is most ...What does a faint line look like? Each pregnancy test is different, with some brands using a red dye and others, like Clearblue, a blue dye. For a red dye test, a faint line will look light pink, whereas a blue dye test will produce a light blue line See images below to get an idea of what a faint line can look like.Pregnancy tests have one goal: to detect hCG. When your test shows a faint line, it means that your body is detecting some hCG, which typically indicates pregnancy. Urine tests should display a positive test when 25 mIU/ml hCG is detected, according to a German study on pregnancy tests. Unfortunately though, it is possible to …A faint line on a pregnancy test could mean that you’re pregnant. At-home pregnancy tests work by detecting the presence of human chorionic gonadotropin (hCG), aka the “pregnancy hormone,” in your pee. Some at-home tests can pick up hCG in your pee sooner than others.Clearblue. 144K subscribers. Subscribed. Like. 98K views 2 years ago. If you do see faint lines and you’re still not sure whether or not you are pregnant, you … Faint blue line on clearblue pregnancy test, Evaporation lines are generally quite faint, and they're often colorless (or a faded gray color). You won't spot any colored dye in them. Evap lines might also appear thinner than the control line ..., Feb 23, 2023 · Generally speaking, a faint line on a Clearblue pregnancy test often indicates pregnancy, but if the line is particularly faint it’s important to keep an open mind if you don’t want to be disappointed. , The clear blue is looking promising to me! I have attached mine for you to see. I think they look the same so happy and positive baby vibes coming your way! This was 2 days after my period was due- so still a very faint line. Although it’s uncommon to have the electricity like pains in early pregnancy it’s definitely not unheard of., If you’re trying to get pregnant, it’s important to time sexual intercourse with the days that you ovulate. Although day 14 of the menstrual cycle is commonly labeled as “ovulation..., Treating depression is important, particularly if you're pregnant. Therapy can help, but sometimes antidepressants are also required. Managing symptoms of depression while pregnant..., Jan 17, 2022 · A very faint pink or blue line usually means that you’re in the early stages of pregnancy; you’ve started producing pregnancy hormones, but there’s not yet enough of them in your system to give a clear result on a test. If you’ve had a faint positive, the best way to find out for sure is to test again in a few days or so, when hormone ... , The line in the control window isn't visible when first opening the foil wrapper, but it should appear within three minutes of testing. If it doesn't appear within ten minutes, the test hasn't worked. It could be because too little or too much urine was applied, the tip wasn't kept pointing downwards, or the test wasn't laid flat after testing., A glucose screening test is a routine test during pregnancy that checks a pregnant woman's blood glucose (sugar) level. A glucose screening test is a routine test during pregnancy ..., So I took a test this morning at about 06:45am, a clear blue accurate 6 days before you're due kind of test. I was watching the dye fade across the screen and I saw what looked like a very faint line going the wrong direction, I then tried to find it in some good lighting again and I can see that the test strip goes the complete different way., A pregnancy test detects the presence of the hCG ‘pregnancy’ hormone. HCG is normally only present in your body if you are pregnant. Any positive line, no matter how faint, means your result is pregnant. Levels of hCG in your body will increase over the course of your pregnancy. If you test early, your hCG levels may be still be low and you ..., artichokes · 19/09/2008 15:45. The second test was presumably not with FMU. If you are testing before AF is due you need to use FMU. The fact you got a line (albeit faint) with Clear Blue is a pretty good indicator that you are pregnant. I …, Note that hormone levels vary. See insert. Clearblue® Early Digital and Clearblue® Early Detection provide early detection of the pregnancy hormone (hCG). Clearblue® Early Digital: 78% of pregnancies can be detected 6 days before the missed period (5 days before the expected period). Clearblue® Early Detection: 77% of …, , Kelly (156) 16/06/2013 at 10:24 pm. I done the first response tests which came up with real faint lines, which I put down to being very early in pregnancy, then went and bought a digital clear blue and it came up pregnant 1-2 weeks. About a few days after I done the tests i got implantation bleeding!, A pregnancy test detects the presence of the hCG ‘pregnancy’ hormone. HCG is normally only present in your body if you are pregnant. Any positive line, no matter how faint, means your result is pregnant. Levels of hCG in your body will increase over the course of your pregnancy. If you test early, your hCG levels may be still be low and you ..., Question: My pregnancy test shows a light, semi faint line. It is ridiculous and gets my hopes up for nothing. I'm never buying Clear Blue again ever. Why don't the two lines register as a positive result? Answer: I agree, blue dye tests, in general, are extremely frustrating. If you use a regular Clear Blue test (non-digital), a faint line ... , If hCG is present in the urine, both the test line and control line will appear pink. Two pink lines indicate a positive result, even if one line is fainter than the other. Some tests, like First Response™ Early Result Pregnancy Tests, are very sensitive and can detect lower levels of hCG so you can test as early as 6 days sooner.*. , Evap lines are usually colorless. I'd go splurge on a digital test if she wants, those will say pregnant or not pregnant. I like the ClearBlue ones. r/TryingForaBaby or r/TFABlineporn would prob be better subs for this post but since I'm already here I'll give my two cents..., This June the largest effort in the U.S. to test a new hormonal male contraceptive starts—with support from NIH. Trusted Health Information from the National Institutes of Health T..., The Clearblue® Early Digital Pregnancy Test and Clearblue® Early Detection Pregnancy Test, can detect hCG as early as 6 days before your missed period. 4,5. You can use the calculator below …, An evaporation line on a pregnancy test is a faint line (or rather, mark) caused by a test reaction that occurs when the urine evaporates, or when the test gets wet. Sometimes this line appears in the test window, making it look like a faint positive result. Evaporation lines are colorless streaks, not actual lines., Pregnancy tests have one goal: to detect hCG. When your test shows a faint line, it means that your body is detecting some hCG, which typically indicates pregnancy. Urine tests should display a positive test when 25 mIU/ml hCG is detected, according to a German study on pregnancy tests. Unfortunately though, it is possible to see a faint line ..., Feb 13, 2017 · jasmine11. Feb 16, 2017 2:04PM in Trying to conceive. Hi there, I have done a clear blue pregnancy test and half a line has showed where you would expect to see positive. You can barely see it in pictures it's clearer in person but I would just appreciate someone's opinion? , Oct 6, 2010 · Conception Indicator contains two test strips a low sensitivity strip and a high sensitivity strip. Inside a Clearblue Digital Pregnancy Test. with Conception Indicator. Urine travels up the Absorbent Sampler and flows through the pad. If hCG is present in the urine it. will bind to anti-hCG antibodies attached to blue dye in the pad. , 1) Thickness. The first way you can tell the difference between a faint positive pregnancy test result and an evaporation line is by paying attention to the thickness of the line. On a true positive pregnancy test result, the test line will be the same thickness as the control line. On the other hand, evaporation lines will usually be thinner ..., An evaporation line is a faint, colorless line that appears after the positive test area has dried. It’s caused by dried urine on the pregnancy test stick and it doesn’t indicate a positive result. A faint line, on the other hand, usually appears within the time limit specified in the instructions (usually 3-5 minutes)., 2 positive but clear blue digital negative. Anonymous. 02/08/2016 at 4:00 pm. They always have 3 lines on the inside, it's the colour intensity that determines pregnancy and how many weeks, however they are not as sensitive at the early detection tests so it may be that you're pregnant but it needs a few more days to be able to pick up hcg. If ..., Test for Pregnancy 6 days sooner than your missed period with Clearblue® Early Detection Pregnancy Test. Pregnancy Tests. ... remove the test stick from the foil wrapper, take off the blue cap and use the test straight away. 2. Take the test . ... It does not matter how faint or dark the lines are. ..., Evaporation line: This is a faint line that appears on a pregnancy test after the ink has dried. Pregnancy tests are designed to be read during a three to five minute window during which the ink is still wet. Indent line: If you see a very faint second line with no color at all, this may be an indent line. Pregnancy tests contain indentations ..., Result as fast as 1 minute 4. Clearblue Rapid Detection Pregnancy Test has been designed to offer you the easiest pregnancy testing experience, with the accuracy you expect from Clearblue – and result as fast as 1 minute 1. Its revolutionary design came after extensive research with women and even won a Red Dot design …, A pregnancy test works by detecting the hCG hormone, which is usually only present in your body if you’re pregnant. A positive result—even a faint line —on a pregnancy test means you’re almost …, Anonymous. Hi everyone, My partner and I had unprotected sex about 10 days ago and I've taken a test today but I'm really unsure of the result! I've taken tests in the past and the negative has always been so clear. However this time I have noticed a very faint positive line, could this mean I am pregnant but the HCG is too low, or could …, 1) Thickness. The first way you can tell the difference between a faint positive pregnancy test result and an evaporation line is by paying attention to the thickness of the line. On a true positive pregnancy test result, the test line will be the same thickness as the control line. On the other hand, evaporation lines will usually be thinner ...