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Here's everything you need to know about pregnancy tests you can take at home, including how soon you can take a pregnancy test and how to get the most accurate results. Verywell Family uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy. You may decide to take a pregnancy test because you are having early pregnancy symptoms. But keep in mind, the same hormones that cause pregnancy-like symptoms are present every month between ovulation and your period. Many symptoms similar to pregnancy symptoms can have other causes, like a cold, the flu, or even a few nights of poor sleep.
A test performed several days before an expected period can show a positive result, but the woman still gets her period soon or on time. Rarely, certain tumors can produce hCG, causing a pregnancy test to be positive even when a woman is not pregnant. Ovulation generally occurs around day 15 of a 28-day cycle.
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For the most accurate results, take the test right after you get up in the morning. That's when your urine is the most concentrated, making HCG easier to find. Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. The best time to take a pregnancy test is the day after your expected period, in the morning hours, with your first urination of the day. The longer you wait to take a pregnancy test, the higher your chances of getting an accurate result. Most tests promise 99% accuracy on the day of your missed period.
If you test just seven days after ovulation, pregnancy tests generally can't pick up the very low levels of hCG in your urine. That means you'll likely get a "false negative" even if sperm has met egg. If you’re testing before your period is due, it’s best to take a pregnancy test in the morning, when the concentration of hCG in your urine is highest.
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More-sensitive tests need less HCG in urine to show a positive result. If you're not sure which type of test to use, ask a pharmacist. For the most accurate results, always test with your first-morning urine and follow the instructions carefully. That’s why it’s important to speak with your doctor if you’re in fertility treatment. They can explain how these meds may skew your pregnancy test results. So if you get a positive test, followed by a negative result a few days later, you may have had an early miscarriage.
With others, you can pee directly onto the strip or stick. Tomlinson C, Marshall J, Ellis JE. Comparison of accuracy and certainty of results of six home pregnancy tests available over-the-counter. The hCG sensitivity level of home pregnancy tests are written in international units per liter (IU/L) or milli-international units per milliliter (mIU/ml). Standard home pregnancy tests have an hCG sensitivity between 6.3 IU/L and 50 IU/L, with most falling between 20 IU/L and 25 IU/L .
When to Take a Pregnancy Test
Also learn how doctors may monitor someone’s condition for changes after they’ve contracted HIV. Every person is different, but here are a few top signs. Keep in mind that your period can sometimes be delayed or skipped due to stress, diet, exercise, or certain medical conditions. If you have any other questions about the pregnancy test or the results, call your doctor or the telephone number listed with the test. If you take the test twice and get different results, call your doctor. Results may also be more accurate if you do the test first thing in the morning, when your urine is more concentrated.
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Blood test results are usually available the same day or within a day. Leyla Bilali, RN is a registered nurse, fertility nurse, and fertility consultant in the New York City area. If you are testing early, you need to use a more sensitive test . If you drink a large amount of liquid shortly before testing, your urine volume may increase so much that hCG is too dilute to measure . The placenta develops as implantation of the fertilized ovum progresses. BabyCenter is designed for educational purposes only.
For the most reliable results, wait until after the first day of your missed period to take a pregnancy test. Small amounts of hCG can sometimes be detected in the urine about 10 days after conception or becoming pregnant. Testing too early may result in a false negative, as your hCG may be too low to detect. HCG begins rising after implantation, which typically occurs around 8-10 days after ovulation. To understand how pregnancy tests work, it helps to know the basics of ovulation and implantation.
All this adds up to the need to wait 14 days after your IUI before taking a home pregnancy test. Your clinic may go ahead and schedule you for a blood hCG test 14 days post-IUI as well. It will take a few days after successful implantation for you to have enough hCG in your urine to turn a home pregnancy test positive. Knowing how pregnancy tests work can help you understand when to take them. Pregnancy tests relay how urine reacts with a piece of paper that can detect the presence of hCG.
If you still haven't gotten either your period or a positive result two weeks or so after you would expect it, reach out to your provider. Call your healthcare provider to book a prenatal appointment. Be sure to mention this to the person making your appointment. During this appointment, your healthcare provider may confirm the pregnancy with another pregnancy test and calculate your estimated due date . Seek advice from your healthcare provider if you are unsure of your test result.
A home pregnancy test detects the hCG hormone in a woman’s urine. 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. The fertilized egg travels to the uterus and attaches into the uterine lining .
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