Pregnancy Test [Extra Quality]

Pregnancy tests check your pee or blood for a hormone called human chorionic gonadotropin (HCG). Your body makes this hormone when you're pregnant and a fertilized egg attaches to the wall of your uterus.

A blood pregnancy test uses a small sample of your blood from a vein in your arm. It detects the presence and amount of the pregnancy hormone in your body. That's helpful when your doctor needs to know the exact amount of HCG in your blood, and not just if it's present in your blood.

Pregnancy Test

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False-positive results happen in very rare cases. This means you're not pregnant but the test says you are. You could have a false-positive result if you have blood or protein in your pee. Certain drugs, such as tranquilizers, anticonvulsants, hypnotics, and fertility drugs, could cause false-positive results.

False-negative results might happen if you take the pregnancy test too early. The earlier you take it, the harder it is to detect HCG. For best results, take a home pregnancy test after the first day of your missed period.

A faint line on a pregnancy test can be confusing. It can happen because it's very early in your pregnancy and your pregnancy hormone level is low, or because some tests have less bold lines than others. Experts say a faint line usually means you're pregnant. But see your doctor to be sure.

An evaporation line on a pregnancy test is a slight, colorless streak where the positive line should be. This might happen if you wait longer than suggested to read your test result, or if the test gets wet. It doesn't mean you're pregnant. It's a good idea to take another test to get accurate results.

When you get a positive pregnancy test result, contact your doctor for an appointment. They might want to give you a blood test to confirm you're pregnant. It's important to know as soon as possible if you're pregnant so you can start receiving prenatal care and making healthy lifestyle changes, if necessary.

Can a urinary tract infection (UTI) cause a false positive pregnancy test? It's rare but possible. Serious UTIs can cause your pee to have high levels of leukocytes and nitrite, which can cause a false positive pregnancy test result.

Why is my pregnancy test negative but I don't have a period? It's possible your negative test result isn't correct, but that would be very rare. You probably aren't pregnant.tag_hash_113You might want to repeat the pregnancy test. You may have something else going on, or another medical issue, such as:

A pregnancy test can tell whether you're pregnant by checking a sample of your urine (pee) or blood for a specific hormone. The hormone is called human chorionic gonadotropin (hCG). High levels of hCG are a sign of pregnancy. hCG increases quickly in the first ten weeks after a fertilized egg attaches to the inside wall of the uterus.

Urine tests for pregnancy are most accurate when you do the test a week or two after you've missed your menstrual period. If you take a urine test too close to the time you got pregnant, the test could say that you are not pregnant even when you really are. That's because your body may not yet have made enough hCG to show up on the test.

You can have an hCG urine test at your health care provider's office or you can do the test yourself with an at-home test kit. These tests are basically the same, so many people use a home pregnancy test before calling their provider. If you follow the instructions carefully, home pregnancy tests are about 97-99% accurate. They can give you the results in minutes.

Blood tests for pregnancy can be done at your provider's office or a lab. These tests can find very small amounts of hCG, so they can accurately show whether you're pregnant before you've missed your period. But hCG blood tests aren't commonly used to check for pregnancy. That's because urine tests are less expensive, very accurate, and provide quicker results than blood tests. hCG blood test results may take hours to more than a day.

You may need this test if you think you're pregnant. Symptoms of pregnancy vary from person to person. The most common sign of early pregnancy is a missed period. Other common signs of early pregnancy may include:

Home pregnancy tests are quick and easy to use. You can buy a home pregnancy test kit without a prescription. The kits include test sticks or strips that react to hCG in your urine. The steps for doing a test depend on the brand, so it's very important to follow the instructions that come with your test. For most test kits, you'll either:

After waiting a certain number of minutes, you'll check your results on the test stick or strip. The instructions will tell you what to look for. In general, to get the most accurate results with any home pregnancy test, you'll need to:

Blood tests are done at your provider's office or a lab. A health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial. You may feel a little sting when the needle goes in or out. This process usually takes less than five minutes.

If you're doing a urine test, don't drink large amounts of fluid before collecting your sample. That could dilute the hCG in your urine, and it may not show up on the test. Otherwise, you don't need any special preparations for a pregnancy test that uses urine or blood.

A negative result means hCG wasn't found in your sample, so you may not be pregnant. But a negative result doesn't always mean you're not pregnant. If you did a home urine test too soon, your body may not have made enough hCG to show up the test.

hCG levels increase every day during early pregnancy, so it's a good idea to repeat the test again in a week. If you get negative (not pregnant) results on two home tests, but you still think you're pregnant, call your provider. If you get a negative result on a test that your provider does, ask your provider if you need another test.

A positive result means that hCG was found in your sample. That usually means that you're pregnant. It's important to see your provider as soon as possible to make sure you get the right care. If you did a home test, your provider may do another test to confirm your pregnancy.

Most pregnancy tests simply measure whether or not you have hCG in your sample. But certain pregnancy tests also measure how much hCG you have. These tests are called quantitative hCG tests, and they're usually done on blood samples.

Your provider may also order a quantitative hCG blood test to help diagnose or monitor health conditions that aren't related to pregnancy. These include ovarian and testicular cancer along with other conditions that can increase hCG levels.

Some pregnancy tests can detect pregnancy before a period is due, but the body needs time to increase its levels of the hormone human chorionic gonadotropin (HCG) for a reliable result. Testing before a missed period can increase the risk of a false negative result.

Some test producers say their test can show if you are pregnant 6 days before your period is due, but these tests are less likely to be accurate. They may show you are not pregnant when in fact you are, because HCG levels are still too low.

Taking a home pregnancy test can be exciting, but it also may be stressful. That's especially true if you're not sure whether you should trust the results. Know when and how to take a home pregnancy test. And learn some of the possible drawbacks of home testing.

The timing of ovulation makes a difference in the accuracy of a home pregnancy test. And ovulation can change from month to month. A fertilized egg also can implant in the uterus at different times. That can affect the timing of when HCG starts to be made and when it can be found with a home pregnancy test. Irregular menstrual cycles also can affect pregnancy test results, as they make it hard to figure out when a period should start.

For most home pregnancy tests, you put the end of the test in your urine stream, dip the test in a container of urine or put several drops of urine onto the test. A few minutes later, the result appears. It's often a plus or a minus sign, the words "yes" or "no," one line or two lines, or the words "pregnant" or "not pregnant."

Make sure to follow the test directions for how long to wait before checking the results. It's usually two minutes or more. Most tests also have a control indicator. That's usually a line or another symbol that you can see in the result window. If you don't see that line or symbol, then the test isn't working. Try again with another test.

Many home pregnancy tests claim to be 99% accurate. But home pregnancy tests differ in their ability to find a pregnancy in people who have recently missed a period. If you get a negative test result, but you still think you might be pregnant, take another test one week after your missed period or contact your health care provider.

Fertility medication or other medicine that contains HCG might affect home pregnancy test results. Most medicines, though, including antibiotics and birth control pills, don't affect the accuracy of home pregnancy tests.

A false-positive might happen if you had a pregnancy loss soon after the fertilized egg attached to the uterine lining. You also may get a false-positive if you take a pregnancy test soon after taking fertility medicine that contains HCG. Problems with the ovaries and menopause also might lead to a false-positive test result.

Manufacturers who market tests in both Europe and the USA tend to conform to these definitions across both markets (e.g. Clearblue, First Response, and EPT brands). Device accuracy, which is usually considered to be the percentage of correct detection of negative and positive results (at concentrations of hCG greater than test sensitivity) using urine samples from women seeking to know pregnancy status, are also often calculated. However, it is unclear as to whether other tests available in Germany conform to these definitions and it is therefore not possible to make objectivecomparisons between tests based on their packaging claims. 17dc91bb1f