Taking a pregnancy test at home but unsure how accurate it really is? The most common question that arises is: Can these tests be trusted? Many at-home pregnancy tests claim to provide 99% accurate results; however, it is best to be sure and consult your doctor if you feel the test results are not what you expect.
What Do Pregnancy Tests Detect?
Pregnancy tests are designed to detect a hormone called human chorionic gonadotropin (hCG), which begins to develop in a woman’s body during early pregnancy. hCG levels start to rise once the fertilized egg implants itself in the uterus usually 6 to 10 days after conception. To detect this hormone, either a urine sample or a blood sample is used. Urine tests are the most common and can easily be done at home using a pregnancy test kit.
Types of Pregnancy Tests
Here are the types of pregnancy tests you can take at home:
1. Strip Tests
There are two types: One where you dip the strip in a urine sample and wait for the result & then a more common one: a plastic stick you directly pee on, then wait to read the lines.
2. Digital Tests
These work just like regular test kits but instead of showing lines, they display clear results such as “Pregnant” or “Not Pregnant.”
When Should You Take a Pregnancy Test?

Home pregnancy tests vary in how early they can detect pregnancy. For the most accurate results, it’s best to take the test after you’ve missed your first period. If you take it too early, the hCG levels might still be too low to detect, leading to a false negative.
For best results, use your first-morning urine, as it contains the highest concentration of hCG. If testing later in the day, make sure you haven’t peed for at least 3 hours beforehand. However, no test is 100% foolproof. Some people may experience inconsistent results and may need to retake the test.
Things to Know Before Taking a Pregnancy Test
- Check the expiration date on the kit.
- Store it at room temperature. Do not use it if the packaging is damaged or already open.
- Home kits are generally safe and don’t require any lifestyle changes before use.However, if you’re on fertility medication that contains hCG, it may affect the results.
How to Read the Results
If both the Control line and Test line appear, the result is positive. If only the Control line appears, the result is negative. If no lines appear, the test is invalid, and you should use a new kit.
Sometimes the Test line may appear faint especially if you’re testing very early. Even a faint line usually indicates a positive result.
Once you’ve taken the test, it’s important to consult a doctor to confirm the result and begin your pregnancy journey on the right note.
FAQs
Can medications affect my pregnancy test result?
Yes, especially fertility drugs containing hCG can lead to false positives.
Can I reuse a pregnancy test kit?
No, pregnancy tests are for one-time use only.
Do irregular periods affect test accuracy?
They can make timing tricky, so testing a few days after a missed period is best.
Should I drink water before taking the test?
Avoid excessive fluids before testing—they may dilute your urine and affect accuracy.
Is a blood test more accurate than a urine test?
Yes, blood tests can detect lower levels of hCG and confirm pregnancy earlier.