Do You Have To Use Your First Morning Urine For A Pregnancy Test
† A urine pregnancy test is typically done if women have had only a home pregnancy test. Results may also be more accurate if you do the test first thing in the morning, when your urine is more concentrated. Pay attention to how often you urinate. try not to get up and go to the bathroom during the night and then do the test as soon as you get up. The linchpin of The Migraine Cure can be presented in one simple statement: If you do not restore your key hormones to healthy, balanced levels, you will never cure your migraine. The results suggest that. The FIRST RESPONSE Early Result Pregnancy Test is designed to detect hCG (human chorionic gonadotropin) as early as 6 days before your missed period (5 days before day of the expected period). You might get the test during each doctor's visit. Take the test first thing in the morning. Test as soon as you have collected your urine so that it. Follow the instructions that come with your pregnancy test carefully to be sure you're taking it the right way. or have an abortion in order to stay. Pyridium can affect the urine tests done to diagnose the level of glucose & ketones in urine. It is believed that this is not diluted. The risks of using urine as a natural source of agricultural fertilizer are generally regarded as negligible or acceptable. A pregnancy test only detects if hCG is present in your urine and reacts accordingly, displaying a positive result - regardless of how clear the result is. It is NOT advisable to use your first morning urine sample, as you would with a pregnancy test. A small amount can do the work for you. What is Your Biggest Fear When You Pass a Drug Test? We’ll Ready to Resolve. Urine home pregnancy tests are about 99% accurate. Sterile means it has no living germs (bacteria) in it. Your urine test will not be accurate and you may need to do the urine collection again if, for any reason, any of. You’ll be asked to repeat the test in 2 to 3 days. When you consider the toothpaste test for pregnancy, it is suggested to use a plain one. You can do a urine test at a doctor's office or at home with a home pregnancy test (HPT). You can store and use urine for pregnancy test carefully in a clean container with a lid. Make a lather and remove the soap. Some digital pregnancy tests will have an indicator on the front that will give a readout of how far along the test estimates your pregnancy to be. Test bank pharmaco. If you prefer to test early, e. You can take the test at any time if you want as long as you've not urinated for at least 4 hours giving the hormone enough time to build up. Ectopic pregnancy immediately bubbles to the top of your differential diagnosis. Toothpaste. Gender Prediction Quiz. When the amount of amino acids is too much for the kidneys to absorb, protein can escape into the urine,. Urine tests are a standard way of checking on your health. It is NOT advisable to use your first morning urine sample, as you would with a pregnancy test. If testing before your expected period, use the first urine of the day. However, it is more accurate, can detect the slightest bit of pregnancy hormone in your blood, and you can test sooner than you can with a urine test. The exposure time of pregnancy test should be exactly as mentioned on the kit. If you test in the early morning, you may miss your surge entirely since LH levels may already be reduced by the next morning. I guess it depends on how late you are and what urine you use, first morning urine is better, it will have higher levels of the hormones in it if you are. You use the pregnancy test by adding urine to it – either by urinating on it or by dipping the test into your urine. I didn't hold it, it was just a normal pee. Since your CG (pregnancy hormone) levels are at their highest first thing in the morning, this is usually the best time to take a pregnancy test. If they decide to test your urine sample for dilution, there is a very real possibility it will be too diluted after using the Certo drug test detox method and make your sample unacceptable (hopefully all this will mean is you’ll have to have another test scheduled). If you do not get your period within 7 days, you should retest with another FIRST RESPONSE™ Early Result Pregnancy Test. On the day of the test: 1. Still, that does not necessarily mean you`ll also receive a positive result. If that shows up positive, that should give you some confirmation. Gel is applied to your abdomen (to provide better contact between your skin and the scanner) and the sonographer moves the scanner in various positions. Waiting will allow the hCG to raise in numbers to be able to show up on a test. Morning urine is more concentrated and will be more likely to give you an accurate answer. If possible, take the test when you wake up and urinate. Nausea and vomiting, usually in the first trimester (but sometimes even in the third trimester), are the main causes of severe dehydration in pregnancy. Once the level of hCG is high enough in your urine, the pregnancy test will show a positive result. It almost feels like your brain degenerates, you’re stressed all the time,” he said by phone. The body routinely uses overnight rest time to excrete excess acids. They say that the best time to take an at home test is first thing in the morning. You can take the test at any time if you want as long as you've not urinated for at least 4 hours giving the hormone enough time to build up. Midday? Does anyone know how big of a deal this is? I have tested faintly positive on 10 Ultra Early Pregnancy Tests with and 2 EPTs with first morning urine, but when I went to the Dr to have a test confirm it I tested negative after downing a whole bottle of water to be able to urinate. Here’s the story: A guy found his ex-GF’s pregnancy test in his medicine cabinet, took the test for laughs, and found out he was pregnant. If you get another trace LEU or if you still have symptoms, consult your physician. Another accurate one in the effective homemade pregnancy tests is with salt. The following list of symptoms can help you to discover whether you should take a pregnancy test:. If you're interested in learning how to make a homemade pregnancy test, you can rest assured that you don't necessarily need a whole bunch of supplies. They will test the sample using specially treated dipsticks which change colour to show how much sugar blood or protein, your urine contains. You may prefer these tests if you have missed periods and other symptoms such as morning sickness, frequent urination, fatigue, bloating and sore breasts (2). In most cases, this would have been seen at one of your routine ultrasound scans and you will have an extra scan later in your pregnancy to see if the placenta has moved up. expect your period on the 21st day of the month, you can test as early as the 17th day of the month. What is Your Biggest Fear When You Pass a Drug Test? We’ll Ready to Resolve. Plan to use the test the first time you urinate after waking up. Procedure for 24 hour collection: • Begin collection in the morning, but do not save the first urination; however, record the time of urination as the beginning point. You are preparing a chemical hygiene plan for your employer and need copies of the material safety data sheets (MSDS) for several products in use in your laboratory. Singh on can you use blood on a urine pregnancy test: Many times if there is no urine, your physician or nurse may use your blood for this test. Our urine gender prediction test is an easy and fun way to find out the sex of your baby. There are several possibilities that can explain this, from when you took the test very early to when the test is defective. Dry mouth and chapped lips. When the doctor verifies your pregnant by seeing the baby via ultrasound or hearing the heartbeat, you can be 100% certain. Testing Too Late. Many pregnancy tests recommend using first morning urine, as the hCG will have time to build up in your system overnight, however some women claim to get stronger positive test results using second morning or late afternoon urine sample. This is normal and expected, and the majority will not develop gestational diabetes. Likewise, if you routinely had unprotected sex with your boyfriend, and tested negative to pregnancy days after, It still does not exclude pregnancy. You're most likely to get an accurate result if you take the test in the morning. Now you know when to take a pregnancy test, you might be wondering how accurate they are. Pregnancy tests are super accurate when you use them correctly. Begin the urine collection in the morning after you wake up, after you have emptied your bladder for the first time. False negative results may occur when the levels of hCG are below the sensitivity level of the test. In cases of dehydration, orange urine may be an even earlier warning sign than thirst, so monitor your urine color and incorporate more fluids into your diet if you see orange urine. It is possible that you miscalculated the length of your cycle, or your urine may not have had enough of the pregnancy hormone for the test to give you a positive result. If you do have blood in your urine, your doctor will ask you some questions to find out what caused it. Most pregnancy tests can detect hCG in your urine on the first day that your period is due. If the fizzle is minimal or nearly quiet, some sources will suggest that this will indicate that you are having a girl. What Causes Dark Urine in Pregnancy? If you are pregnant, you might find that your pee is a darker yellow color than normal. Next, you need to take a urine sample in another bowl. Get updates on how your baby develops, your body changes, and what you can expect during each week of your pregnancy by signing up to the Mumsnet Pregnancy Newsletters. This is why you should always wait at least one week after missed period to take the test. Always consult your doctor if you think you may have blood in your urine, or if you have urine changes that do not go away, that recur or that don’t seem to be tied to foods. If a home pregnancy test is positive and you have decided not to continue with the pregnancy, you should call a clinic as soon as possible. When the doctor verifies your pregnant by seeing the baby via ultrasound or hearing the heartbeat, you can be 100% certain. If you do not get your period within 7 days, you should retest with another FIRST RESPONSE™ Early Result Pregnancy Test. This hormone, only produced during a pregnancy, is also present in the blood. If you are pregnant then you must be aware that pregnancy and cloudy urine can be related. Rather, collect a urine sample in the afternoon or early evening. All test results in the chart below are from pregnant women only. You can do a urine test at a doctor's office or at home with a home pregnancy test (HPT). First morning urine contains the highest level of hCG because it is the most concentrated. Your urine (pee) also is tested for protein, sugar, and signs of infection. Urine Iodine Iodine is an essential element required for normal function of the thyroid gland and immune system, and the integrity of breast tissue. Proper and adequate diet is. Singh on can you use blood on a urine pregnancy test: Many times if there is no urine, your physician or nurse may use your blood for this test. A small amount can do the work for you. The reason why early morning urine is used because it has higher levels of hCG than the entire day's urine. I took a pregnancy test the day after I missed my period at 9:30pm and it came back positive. But what do you do if your urine creatinine is too low or you just want an extra margin of safety to be sure?. its the extra acid in the mothers pee that causes it to turn brown and thats a boy it predicted all 9 of my cousins so dont tell me it doesnt work cause i know. When can I expect a positive HPT if I am pregnant? Statistical Data on Pregnancy Test Timing. Either way, blood in the urine, known technically as hematuria, requires medical evaluation. Also, testing with your first-morning urine can help improve the test’s accuracy. Get the most accurate results by taking a pregnancy test early in the morning. What you need to do Toothpaste Pregnancy Test? White color toothpaste, First urine Sample (Early morning First urine) and bowl/plate. You can improve your chances for an accurate result by using your first morning urine for the test. Other than the shampoo, there exists various other homemade pregnancy test which gives better results like sugar test, toothpaste method, salt, baking. It is advisable to do the test first thing in the morning when your urine is most concentrated. Tests during first trimester find problems in pregnancy like ectopic pregnancy, molar pregnancy, low haemoglobin levels in mother, gestational diabetes and high blood pressure which can later lead to preeclampsia. The reference ranges for your tests can be found on your laboratory report. The other checks the urine for the hCG hormone. There is real way of knowing for sure if the implantation bleeding you may have experience isn`t just early spotting that may indicate your period is near. For best results, use your first-morning urine and make sure your products are not expired. Urinate (empty the bladder) for the first time and flush it down the toilet. A missed period, spotting, morning sickness, tiredness, swollen and tender breasts are some physical signs that may indicate pregnancy, but are not a surefire proof to predict fertility success. You can do a urine test at a doctor's office or at home with a home pregnancy test (HPT). was for the young woman, Shara* to take the state nursing test and secure a job as a nurse. Pay attention to how often you urinate. The lab used to run a lot of samples for Gilbert, but then Gilbert stopped submitting samples for tests. Your urine tells a lot about your health. If you take marijuana orally or have a pot edible, it stays in your urine for longer. For this reason, it is a good idea to test a couple of days for a more right result. the not going to the bathroom allows the hcg level to be higher and easily detected. You do not need to schedule an appointment at the lab. Take it first thing in the morning for best accuracy (your urine may have more pregnancy hormones in it at that time). But with myself, i drank at least 5 bottles of water and peed like 6 times before i took my test and it was still positive. The good news is that if you use an OPK in a correct manner, then you have high chances (of about 97%) that you will detect your ovulation as per your LH surge. Who are your favorite female authors, musicians, and other women you admire? “First of all, politics is full of extraordinary women who have challenged a lot of norms and moved our country. If you prefer to test early, e. Most women do not fully understand just how important it is to follow the directions on a home pregnancy test exactly and carefully. Your home test may include the following steps or similar steps: Do the test on your first. Ketone Strips Color Chart. When can I take a pregnancy test after ovulation? While it is best to wait until you have missed your period to take a pregnancy test, you might be tempted to have one soon after ovulation. I hope that helped and good luck. The first part rinses the urinary passage clean, so the urine will be as sterile as possible. However, a urine or blood pregnancy test can remain positive for a while after a pregnancy loss. Your first morning urine will then have higher levels of hornones in it and will be less likely to give you a false negative test result. You might need a blood test or ultrasound to confirm your pregnancy. If your period does not start in a few days, repeat the test using another FIRST RESPONSE™ Dip & Read Pregnancy Test. Once you have that. It is better than you put on a mask that covers your mouth and nose while undergoing the DIY pregnancy test. All women get urine tests during pregnancy. This hormone, only produced during a pregnancy, is also present in the blood. He promised he wouldn't try to stop Strawn. Home pregnancy tests measure the level of HCG in urine. If you are pregnant or think you may be, tell your healthcare provider. It's best to actually take a pregnancy test and see your doctor to confirm that you are pregnant. Earliest Pregnancy Test with Salt. 00am and 10. The collection should be done in a specific container provided by the laboratory and the genital region should be cleaned, the first urine jet should be. When you try to conceive, a negative pregnancy test without having your period can make your situation even more confusing. A little impatience can lead to several test errors. Mustard Powder. The test may be more difficult to take, as it will require a blood sample, which you will have to take using a syringe. This isn't true. Submit a first morning voided specimen whenever possible. But if you have a positive glucose urine test two visits in a row, your practitioner will probably have you take a glucose screening test sooner. THERE IS A DIFFERENCE BETWEEN INVALID AND NEGATIVE. As powdered sugar doesn't have the ability to clump and dissolves even if you are pregnant. Some kits require the user to place a test stick in her urine stream. The FIRST RESPONSE™ Early Result Pregnancy Test is designed to detect hCG (human chorionic gonadotropin) as early 6 days before your missed period (5 days before day of the expected period). However, if you do a test and you get the faintest coloured line in the 'pregnancy' test-strip/assay area on the test, then HCG has definitely been detected. A urine pregnancy test looks for a hormone called Human Chorionic Gonadotropin (HCG) that is found in the urine during pregnancy. When pregnancy is still suspected, a first morning urine or serum specimen should be collected 48 hours later and tested. You should ideally use your first morning urine for your test at the doctor's, too. The doctor will do another urine pregnancy testing (UPT) for their records and a sonogram to determine how far your pregnancy has progressed and discuss termination options that best suit your circumstances. Doctors use two types of hCG tests. Having certain substances in your urine can give your midwife an early sign of conditions which may cause problems for you and your baby. A urine pregnancy test for canines hasn't been developed yet. What are ketones in urine? How do they get there, and why should you care? Learn what these substances are, how they relate to diabetes, symptoms of diabetic ketoacidosis, and what to do if you have ketones in your urine. do not save morning urine. Who uses them – The amount of hCG in the urine at different points in early pregnancy is different for every woman. Homemade Pregnancy Test - Toothpaste Pregnancy Test. If you are pregnant then you must be aware that pregnancy and cloudy urine can be related. A blood hCG level over 100 is a good first result but many, many ongoing pregnancies start out with a beta hCG level below that number. Another thing you need to ensure a good enough amount of urine to be added slowly to the solution and the sample of urine should have been taken only from the very first urination in the morning. "Catching your first urine of the day ensures HCG levels are at. expect your period on the 21st day of the month, you can test as early as the 17th day of the month. The sample of first urine discharge of the day is considered best for the test because this concentrated urine has good amount of parasite. Follow the instructions closely (collect urine in a clean container, put the test strip in it for no more than 10 seconds, check the result no later than 10 minutes). Other than the shampoo, there exists various other homemade pregnancy test which gives better results like sugar test, toothpaste method, salt, baking. Test Your Pregnancy At Home With Soap. So when is the perfect time to have a pregnancy test after ovulation?. Ideally, the test should be done in the morning, as soon as you wake up. Therefore, the next time you suspect yourself of being pregnant you can opt to confirm your fears by using bleach to perform a pregnancy test. Write down the time that you urinated to mark the beginning of your 24-hour collection period. This isn't true. Calm your dog down and try to extract some blood. They are typically found to the right of your results. Receiving a positive result on a home pregnancy test means that there is a presence of hCG in your body and is typically a sign that you have become pregnant. During pregnancy, a woman’s body undergoes a series of obvious and subtle changes. This will help you get your symptoms under control so you can get back to being you. When you think you might be pregnant, every minute you have to wait to find out can seem like hours. In this regard, negligence could lead to breathing issues. Although first-morning urine contains the highest levels of HCG, First Response is sensitive enough to not require it. For this test, you need nothing but a clear jar (or cup) and your urine. The first urine voided in the morning is preferred because it has a more uniform volume and concentration and a lower pH, which helps preserve the formed elements. your results will be most accurate if you use fresh, first morning urine. Pay for the test in cash, NOT with a check or credit card. Your home pregnancy test is negative. If you test positive for glucose in your urine, try not to stress: Many women do at some point during pregnancy. Generally, however, your first morning urine contains the highest level of the pregnancy hormone. When pregnancy is still suspected, a first morning urine sample should be collected 48 hours later and tested. The urine you used was diluted by a large amount of water you drank before taking the test. The following list of symptoms can help you to discover whether you should take a pregnancy test:. Once you have your baking soda test in a glass, add some drops of morning urine. Hence, collecting a first morning urine sample is not recommended when it comes to the urine ovulation test. If you’ve been following good eating habits and have been consistently in ketosis for the weeks following, there’s likely no need to fret over it. I didn't hold it, it was just a normal pee. before the first month of my missed period I had to nausea and threw up and had headaches. The body routinely uses overnight rest time to excrete excess acids. If you take marijuana orally or have a pot edible, it stays in your urine for longer. exactly 14 days after ovulation), then you will want to make sure there’s enough urine containing enough pregnancy hormone to turn the test strip positive," she tells Romper in an email interview, adding that usually five drops or more will do the trick. The test usually is done between 10 and 12 weeks of pregnancy. Drinking excess water – It is recommended to take this test early in the morning after you just get up from your sleep. If the early signs of pregnancy are present, and especially if you have verified that you are pregnant with a home pregnancy test , be sure to make an. You should always avoid measuring first thing in the morning after you have been fasting. The ingredients that you pick for your home pregnancy test must be chosen wisely because some of these products can do more harm than benefit. Most of the time a vaginal ultrasound will be performed to determine whether or not the pregnancy is viable and to see how far along you are. Unless you have urinated in the middle of the night, first-morning urine should exhibit a higher concentration of the pregnancy hormone, hCG. Clinical urine tests. It is very unflattering when you think about it. A diagnostic test has been ordered to determine specific factors from the urine. If they decide to test your urine sample for dilution, there is a very real possibility it will be too diluted after using the Certo drug test detox method and make your sample unacceptable (hopefully all this will mean is you’ll have to have another test scheduled). The reference ranges for your tests can be found on your laboratory report. If you are using IVF to get pregnant you have to spend a stressful two weeks waiting after the embryo is transferred, before taking a pregnancy test. Also, testing with your first-morning urine can help improve the test’s accuracy. The Macujo method involves a seven-step cleaning process; unfortunately, you will have to stop smoking for it to work. Avoid excessive fluid intake before testing. Take the pregnancy quiz below based on most common early pregnancy symptoms to find out if you may be pregnant. Also, testing your urine first thing in the morning may boost the accuracy. What happens during a pregnancy test? You can get a home pregnancy test kit at the drug store without a prescription. When you open the test, make sure not to touch the activation tab. But with myself, i drank at least 5 bottles of water and peed like 6 times before i took my test and it was still positive. The blood test sometimes picks up on pregnancies before a urine test does and is often considered more accurate. On the day of the test: 1. When your pregnancy is confirmed, your due date is calculated based on the date of your last menstrual cycle (period). He or she will test your urine (urinalysis) for the presence of red blood cells. You can culture urine through a process called urine microscopy culture sensitivities. Use a pregnancy test that suits your needs. Toothpaste. And yes, you can still Actually, you don't really need to use first morning urine when taking a pregnancy test. Doctors recommend taking a home pregnancy test a few days after your period should have come and then repeating the test a few days after that; tests show that accuracy is much higher one week after the first day of the missed period. Your first morning urine pH gives a good indicator of your body's mineral reserve and its acid/alkaline state. What Are The Prerequisites For Testing. Even a positive pregnancy test does not always translate to a viable (destined to be a baby) pregnancy, especially if you are older, which is good news for the woman who is not hoping to be pregnant. Testing before this will often give an inaccurate result. Well, can you take a pregnancy test while bleeding ? Yes. With just a few drops of first morning urine, one can confirm pregnancy within minutes of taking the test, depending on the concentration of the hCG in the sample. So your midwife will ask for wee samples to test throughout your pregnancy. Right after you wake up, your urine has the highest concentrate of hCG, or human chorionic gonadotropin, it will have all day. Urine tests are a standard way of checking on your health. Take it first thing in the morning for best accuracy (your urine may have more pregnancy hormones in it at that time). This makes it more likely to get an accurate test reading. h cg levels in pregnancy and when to test?? Hi, My pregnancy test says it detects hcg levels of 20mlU/ml or lower in urine. As home pregnancy tests are so reliable, your doctor may not do a second test to confirm a positive test result, though routine practice varies from country to country. Early pregnancy detection strips measure the level of hCG in the urine to determine pregnancy. When you open the test, make sure not to touch the activation tab. This is because most organizations and companies have identified how people use loopholes to pass other tests, such as the urine drug test. Preconception & Pregnancy Tools. Still, if you think that pregnancy may be causing your morning upset stomach, you should take a pregnancy test and/or contact your health care provider. Either way, blood in the urine, known technically as hematuria, requires medical evaluation. What you could do is make sure to take a pregnancy test again with your first morning urine, which will be most concentrated after you haven't had any fluids all night. Who uses them – The amount of hCG in the urine at different points in early pregnancy is different for every woman. If the bowl is not properly clean or unsterilized, the sugar can form a clump but with a false result. You should always discuss your symptoms and your test results with your doctor. Also, the volume is more at this time. This will look at: your blood group and rhesus status; whether you have infections such as hepatitis B, HIV or syphilis. You can store and use urine for pregnancy test carefully in a clean container with a lid. If you feel you are pregnant but your pregnancy test result is negative, do the test again in a week or so and see your physician. In cases of dehydration, orange urine may be an even earlier warning sign than thirst, so monitor your urine color and incorporate more fluids into your diet if you see orange urine. The reason why early morning urine is used because it has higher levels of hCG than the entire day's urine. Please note: These dates are approximate and are best used as a guideline for when to begin testing with the FIRST RESPONSE™ Early Result Pregnancy Test. How the Test is Performed. Generally, however, your first morning urine contains the highest level of the pregnancy hormone. Watch this video to learn more about how to read your pee. If they do a second urine test, often you will have the result in a few minutes. Doctors give trusted, helpful answers on causes, diagnosis, symptoms, treatment, and more: Dr. These tests are easy to use (just pee on a stick and wait) and have a 90 percent accuracy rating. If you had unprotected vaginal intercourse or your birth control failed (like the condom broke) you can wait to see if your period comes on time and get a pregnancy test if it's late. But it’s not easy when you lose everything every time you come in there and you have to start all over again. A urine test cannot do that. All test results in the chart below are from pregnant women only. If you didn't take a test, you would just think it was a late or unusual period. Every time you go to the doctor during your pregnancy, he will conduct a urine test. As powdered sugar doesn't have the ability to clump and dissolves even if you are pregnant. You can take most pregnancy tests from the first day of your missed period. Early morning first urine has a maximum level of HCG, so the odds are high to get exact results from homemade pregnancy test if you execute these tests morning hours with the first pee sample. If you have any discharge, then a swab of the discharge will be taken and sent to the laboratory for analysis. The LH surge usually occurs in the morning, but it can take several hours for the hormone to appear in urine. Tests used to recommend using your first pee of the morning, when more hCG is present. In the beginning of a pregnancy, this hormone is still low, so it's best to do a pregnancy test in the. Do you use first morning urine for your midwife appointments?. How to run a pregnancy test at home. Use this pregnancy test calculator to help you decide when to take your FIRST RESPONSE™ Early Result Pregnancy Test. What does this mean to you? It means you have a chronological record that lets you identify those users who habitually use drugs. You can culture urine through a process called urine microscopy culture sensitivities. Another early sign of pregnancy is frequent urination. The variables that affect accuracy of the test results are the use of first morning urine (at least 2. Urine for pregnancy testing should be first morning void, or a random specimen with a specific gravity of at least 1. This website does not offer a urine-based test, commonly used for pregnancy testing. When your pregnancy is confirmed, your due date is calculated based on the date of your last menstrual cycle (period). For more information, see How soon can I do a pregnancy test? Check the instructions to make sure you can do the test at any time of day. The test may be more difficult to take, as it will require a blood sample, which you will have to take using a syringe. As powdered sugar doesn't have the ability to clump and dissolves even if you are pregnant. But you may have also just not had high enough levels of hCG in your urine to be detectable. You can use gloves to be extra careful. 10 pregnancy symptoms you'll have before a positive pregnancy test Claire Haiek | May 31, 2018 Of course, nothing's definite until it's confirmed, but here are some of the early signs that suggest some exciting news may be on the horizon. Please do not confuse invalid with negative. THERE IS A DIFFERENCE BETWEEN INVALID AND NEGATIVE. The other checks the urine for the hCG hormone. Being locked in a metal tube for 20 hours with two hundred other humans might be some people's idea of torture. This hormone, which is highest in the first few weeks you are pregnant, pushes more blood to your groin area. Doctors use two types of hCG tests. The results suggest that. This test.