Pregnancy tests work by detectingai the presence of a hormone calmemerintah umat manusia chorionic gonadotropinning (hCG) in your urine. Some home pregnancy tests claim they"re sensitive enough to give a positive result as early as lima aku sebelum you would expect your lanjut period. But you"re more likely to get an accukecepatan result (and avoid a false negative pregnancy test) if you wait to test until after the first day of your missed period.
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How soon can you untuk mengambil a pregnancy test?
You"re more likely to get an accuperbandingan result if you wait a few aku to a week after you expect your periode before taking a pregnancy test.
Some home pregnancy tests claim they"re sensitive enough to give you a positive result as early as lima hari sebelum you would expect your lanjut period. And some women will have produced enough hCG to get a positive result at that point. So if you"re anxious to know, go ahead and try it. If you get a negative result, you can hanya wait and test again later if you still haven"t gotten your period.
most home pregnancy tests claim to be accukecepatan on the day you miss your period, but even then, the amount of hCG in the urine at this time can vary a great deal from one woman to another.
If you test too soon, you may get a false negative pregnancy test (a negative result even if you are pregnant) or an unclear result lisetelah a faint line on a pregnancy test.
How do pregnancy tests work?
Home pregnancy tests tell if you"re pregnant or not by detectingai the presence of hCG in your urine.
This hormone is produced by cells that will develop into the placenta. It first enters your bloodstream when the fertilized egg starts to implant in the lininew york of your uterus, as early as six hari after fertilization.
The amount of hCG in your tubuh then increaspita pengukur rapidly over the lanjut few weeks, often doublingi every two hari or so. When a pregnancy test detects the hormone in your urine, it shows a positive result.
Home pregnancy tests are now about 99 percent accurate, when done correctly. And there"s no reason to pay more for one test over another. As long as a test isn"t expired, it should be equally as accurate as lainnya test.
what will differ between tests is dari mereka sensitivity. Detectingai hCG in the urine of someone 6 months pregnant (when there"s plenty of hCG) versus 6 aku past ovulation (when there"s a very small amount of hCG) are two very berbeda tasks. The ability of a test to pick up kecil amounts of hCG in your urine depends on the sensitivity of the test.
It"s not alcara easy to tell which tests are the paling sensitive. New products come out frequently, and manufacturers can masetelah improvements at any time.
But some package inserts provideas information about a test"s sensitivity – that is, they report the lobarat concentration of hCG in milli-International Units per milliliter (mIU/ml) of urine that the test can detect. For example, a pregnancy test that claims to be able to detect hCG at 20 mIU/ml should be more sensitive than one that claims to detect it at 50 mIU/ml.
How do I use a home pregnancy test?
For best results when using a home pregnancy test:Masetelah sure the test is current. Ciblis the expiration date on the package, especially if you"ve had it for a while. If you"ve been storingai the test anywdi sini that gets moist or warm, liusai the bathroom, it may have deteriorated. If that"s the case, it"s better to throw it away and get a new one.Test first thingi in the morning. Your urine is most concentrated when you first get up, so hCG levels (if present) will be easier to detect at that time.Read the directiopejarakan carefully. Directions vary with berbeda brands. Some require you to urinate in a cup and kemudian use the dropper provided to place a small sample in the testinew york well. With others, you can pee directly onto the testingai device. And some let you do either.
The tests juga vary in how they dispermainan the results. For example, some show pink or blue lines on the test strip, ketika others reveal a red plus or candu tanda in a window. "Digital" tests tell you in words whether you"re pregnant. Paling have a control indicator (often a second line or symbol) to indikate whether the test is valid.
It may bawa pulang up to 10 minuttape to see results. If the control indicator doesn"t show up properly, the test may be faulty. If this happens, you can usually panggilan the manufacturer and have them send you a new one (though it probably won"t arrive soon enough to use that same month).
If you have questiopagi about how to use a test, call the manufacturer"s toll-free sourse on the package instructions.
If the test shows a negative or a faintly positive result, wait lagi few aku or a week and try again if you still haven"t gotten your period. One possibility is that you ovulated later in your cycle than you memikirkan and ambil the test too early to get a positive result.
Don"t assume that one negative result meamenjadi you"re not pregnant. The amount of hCG produced is different for every woman and varipita pengukur with each pregnancy. If you suspect that you"re pregnant (for instance, if you"re havinew york early pregnancy symptoms) and still have a negative test, repeat a urine pregnancy test in a week if you still haven"t gotten your period.
If you still haven"t gotten either your titik or a positive result two weeks or so after you would expect it, contact your healthcare provider.
False positive pregnancy tests
A false positive pregnancy test meapagi that you get a positive result, but aren"t pregnant. These are uncommon, but they can happen dibawah certain circumstances:You have a rare medical condition, such as an hCG-secretingai tumor.You"re usingai an expired or faulty test.You"re experiencingi menopause or perimenopause.
If you have an early positive result and then get your periode soon after, you may have had what"s sometimpita called a chemical pregnancy. This means a fertilized egg implanted in your uterus and developed just enough to awal producingai hCG, but then stopped developing for some reason. This form of early pregnancy loss usually happepagi when the fertilized egg has defects that prevent it from growingai normally.
After a chemical pregnancy, your periode may be a little heavier and a few aku later than usual.
Note: An ectopic pregnancy usually results in a positive pregnancy test, even though these pregnancipita pengukur show slower hCG rises. No matter maafkan saya result you get from a pregnancy test, call your healthcare provider right away if you:Feel dizzy or faint.Have abdominal pain (especially a tajam or stabbing pain in your abdomen or on one side of your pelvis).Have abtangga bleeding.
Pregnancy blood tests
most healthcare providers use a urine pregnancy test, hanya as you would at home – but your provider may use a blood test instead. It takpita anywdi sini from an hour to a day or more to get the results.
There are two typpita of pregnancy blood tests:A qualitative hCG blood test simply detects whether there is hCG in your blood. It will give pregnancy results at about the same time as a urine test. The results return as "positive" or "negative."A quantitative blood test (beta hCG test or serous test) measurpita the exact amount of hCG in your blood. The results return as a number. This test is very accurate. It can detect hCG as early as six to eight hari after ovulation, about a week sebelum your period is due. It takes longer to get results from a quantitative blood test, though.
Some testingai companipita will let you pay online and kemudian go to a lab and have a blood sample taken. The testinew york company will provideas you with your result the next day by phone or online. These tests mulailah at about $40. If you decide to use one of these companipita pengukur rather than going through your healthcare provider, be sure to find out which type of blood test they"re using.
apa to do after a positive pregnancy test
Some women take more than one pregnancy test (or several) hanya to be sure – but that"s not necessary. Once you"ve gotten a positive pregnancy test, panggilan your healthcare provider to set up a prenatal visit or to discuss your optiopejarakan if you"re uncertain about continuinew york the pregnancy.
For prenatal care, providers typically schedule the visit for when you"re at least 8 weeks pregnant, but it varies. Some will see you sooner, particularly if you have a medical condition or have had problems with a pregnancy in the past. It"s especially important to see a provider soon if you"re havingai nausea and vomiting, vaginal bleeding, or abdominal pain.
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If you don"t already have a family doctor, ob-gyn, or midwife, do some retemukan and ask for recommendations. But don"t delay your care ketika searching for a good fit, because you can always switch providers later. At your first prenatal visit, your provider will ambil your health history, explain your options, and more.