Most medicines should not affect the results of a home pregnancy test. This includes over-the-counter and prescription medicines such as birth control and antibiotics.
Also, alcohol and illegal drugs do not affect pregnancy test results. All pregnancy tests work by detecting the pregnancy hormone, hCG, in the urine or blood.
This hormone is present only when a woman is pregnant. If the pregnancy test detects hCG, it will say you are pregnant. So if you take a home pregnancy test too soon after implantation, your hCG level may not be high enough to detect the pregnancy.
If the test says you are not pregnant, take another pregnancy test in a few days. For more information about pregnancy tests, call the OWH Helpline at or contact the following organizations:. Department of Health and Human Services. ET closed on federal holidays. Breadcrumb Home A-Z health topics Pregnancy tests. Pregnancy tests. Pregnancy tests If you think you may be pregnant , taking a pregnancy test as soon as the first day of your missed period can help you get the care and support you need.
How soon can I use a home pregnancy test? My pregnancy test says I am pregnant. What should I do next? My pregnancy test says I am not pregnant. Could I still be pregnant? The accuracy of home pregnancy test results varies from woman to woman because: Each woman ovulates at a different time in her menstrual cycle.
The fertilized egg can implant in a woman's uterus at different times. Sometimes women get false-negative results when they test too early in the pregnancy. False negative means the test says you are not pregnant when you are. Problems with the pregnancy can affect the amount of hCG in the urine.
What if I can't tell whether my pregnancy test is positive or negative? What should I consider when buying a pregnancy test? Home pregnancy tests come in many different types. Most stores sell them over the counter without a doctor's prescription. The cost varies depending on the brand and how many tests come in the box.
Although home tests can detect a pregnancy, it gives no information as to viability. If you have a positive pregnancy test, your obstetrician can provide information about warning signs of an abnormal or worrisome pregnancy and can advise you on when to make an appointment to confirm your pregnancy.
Ohio State is filling training gaps for Ohio health care providers with two projects designed by experts in maternal-fetal medicine and emergency medicine. Stroke is not just a man's disease. Know the indicators and risk factors for women. By clicking "Subscribe" you agree to our Terms of Use. We'll be in touch every so often with health tips, patient stories, important resources and other information you need to keep you and your family healthy. When is the best time to take pregnancy test?
Brand name versus generic pregnancy tests Home pregnancy tests, both brand name and generic, are very accurate at detecting the HCG hormone and any positive result, even a faint line, can be considered positive.
How to prevent a false negative result The number one cause of a false negative test is taking the test too soon after you conceive. When to see your doctor Although home tests can detect a pregnancy, it gives no information as to viability. Select personalised content. Create a personalised content profile. Measure ad performance. Select basic ads. Create a personalised ads profile.
Select personalised ads. Apply market research to generate audience insights. Measure content performance. Develop and improve products. List of Partners vendors. If you have been intentionally trying to conceive , you are likely aware of the variety of early pregnancy tests currently available. These tests can sometimes detect pregnancy several days before your period is due.
However, just because you can use an early pregnancy test, does that mean you should? It's worth considering a few points before you proceed. There are two types of pregnancy tests you can take: urine or blood tests. Over-the-counter home pregnancy tests are urine tests, and doctor's offices frequently use this method as well.
Early pregnancy tests are a more sensitive type of urine test. These tests can potentially detect human chorionic gonadotropin hCG —the early pregnancy hormone—before your missed period and give you an accurate positive result. Blood tests are performed in a doctor's office, usually when you have a reason for testing earlier than usual. While it's true that you can usually take a blood test sooner than a urine test, keep in mind that it usually takes longer to get blood test results.
There are several reasons why a woman might…. An ectopic pregnancy occurs when a fertilized egg attaches somewhere outside the uterus.
An untreated ectopic pregnancy can be a medical emergency. A new study finds that epidurals do not affect child development in their later years. Health Conditions Discover Plan Connect. Medically reviewed by Carolyn Kay, M. Will it work? Causes of early pregnancy bleeding What can you do? Takeaway Share on Pinterest. Can you take a pregnancy test while on your period? What might cause bleeding in early pregnancy?
Parenthood Becoming a Parent Getting Pregnant. HIV Tests. What to Expect. Read this next. Medically reviewed by Nancy Carteron, M.
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