Provided you want to take one as soon as possible, you should wait at least once to two week after you had sex. If you wait and want the most accurate result possible, take a test the week after your missed period. A blood test confirms pregnancy first because it can detect a smaller amount of HCG as compared to a test that uses your pee. Are there any medications that can change the result of my pregnancy test? Too much or too little urine was applied. You should test again using a new test taking care to follow the instructions.

The presence of two red lines in the test (T) and control (C) window, one red line next to the (T) and one red line next to the (C) window, means you are probably pregnant. One line may be lighter than the other, they do not have to match. When urine hCG is near the sensitivity of One Step Pregnancy Test then test line appears. This shows a positive result. How one step pregnancy test detects pregnancy?National Institutes of Health, National Institute of Child Health and Human Development, How Do I Know if I'm Pregnant?, January 2017 If you get a negative result and still think you're pregnant, wait a few days and try again. Speak to your GP if you get a negative result after a second test but your period has not arrived. Continuing with the pregnancy Heterophilic antibodies. Women who work closely with animals, usually laboratory animals, can develop antibodies that bind erroneously to the test used for hCG detection. Levonelle One Step is an emergency contraceptive that can be used within 72 hours (3 days) of unprotected sex or if your usual contraceptive method has failed. If the pregnancy test shows a single horizontal line in second window then you are not pregnant. This is a minus sign. False negative is common when you take the pregnancy test too early. False negative means that you are actually pregnant but the test shows that you are not pregnant. 6) One step pregnancy test faint line

It’s worth remembering, that whilst all home pregnancy tests vary in terms of sensitivity and method of use, they are generally accurate so long as they are used correctly. You may also find some reviewers stating they have experienced false positives or negatives. This could be due to a variety of reasons, but it's important to read the instructions before you take the test to ensure you're using it properly and at the right time. Why you should trust us 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.If you think you could be pregnant, it’s a good idea to take a test and make sure. Home pregnancy tests can differ in how early they’ll detect a pregnancy. In many cases, you might get a positive result from an at-home test as early as 10 days after conception. For a more accurate result, wait until after you’ve missed your period to take a test. Remember, if you take a test too soon, it could be negative even if you’re pregnant. If you get a negative test and then miss your period, take another test. What time should I take a pregnancy test? The result is invalid if no red line appears in either the test (T) and control (C) window, or there is no red line next to the control (C) window as shown. You should repeat the test with a new midstream test. If you have taken a successful test and found it was a positive pregnancy test, do not panic about what to do next. Most pregnancy tests don’t ask you to avoid activities or change your lifestyle. The only medication that may interfere with your results is fertility medication containing HCG. It is recommended you take a pregnancy test on the first day after your period would have been due. If you have irregular periods, you may prefer to instead test around three weeks after you had unprotected sex.

Negative: If one coloured line appears in the control region on the pregnancy test cassette and there is no line in the test region, then this indicates a negative result, no HCG has been detected in the urine. This means you are either not pregnant or you have tested too early. If you are not sure repeat the test in 48 hours.However, fertility drugs are one exception. These medications can sometimes cause a false-positive on your pregnancy test. If you’re taking fertility medications, reach out to your healthcare provider about your results to make sure they’re accurate. What should I do after getting a positive pregnancy test? Generally speaking, as the levels of the pregnancy hCG hormone rise every two or three days during pregnancy, a pregnancy test will be more accurate the later you leave it after having unprotected sex. It takes a lot more time to reach the stage of hCG production. So if you take the test before the missed period you need to be sure that your hCG levels are rising only because of pregnancy.

Illness. Very rarely, some cancers that interfere with hormonal production can result in a misleading pregnancy test. American College of Obstetricians and Gynecologists, Ectopic Pregnancy, July 2022. | Show in the articleWe know just how important it is to be able to trust the brands you are using for such a key moment in your life. For that reason, we thoroughly researched and vetted the brands and pregnancy tests included in this round up to ensure they were well-regarded by medical professionals, with many of these tests being recommended and rated by doctors and family planning clinics. In most cases, medics agree that whilst they may vary in sensitivity levels, home pregnancy tests are generally an accurate way to detect pregnancy, so long as they are used correctly. If you get a positive result, you’re pregnant. This is true no matter how faint the line, color, or sign is. If you get a positive result, you may want to call your doctor to talk about what comes next. The test is expired, or you made a mistake. If you didn't follow the instructions to the letter, or have a home pregnancy test that's expired, there's a chance that the results might be inaccurate. 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.