Can You Take a Pregnancy Test While on Your Period?

Whether it’s been on the cards for a while or you’ve been caught off guard, thinking you might be pregnant can be an emotional time – especially if it will make you a first-time mum (if that’s the case, here are the things nobody will tell you about becoming a mum!). The not knowing might spark a sense of urgency to take a test, but is as soon as possible the best way to get an accurate result? And what if you’re currently on your period – will the test even work?

Here are the answers to questions about when the best time to take a home pregnancy test is.

Will a pregnancy test work during your period?

If you’re bleeding vaginally or are on your period, you can still take a pregnancy test without affecting the result. This is because home pregnancy tests are designed to detect the levels of human chorionic gonadotropin (hCG, also known as the pregnancy hormone) in your urine. Blood that you pass when you pee will not affect the levels of hCG detected, and therefore will not influence the test result.

This said, if you are bleeding and think it’s your period, this is usually a good sign to confirm that you aren’t pregnant. A period happens when an unfertilised egg exits your body with blood and tissue from your uterus. When you become pregnant, you will no longer get your period because there will be no unfertilised egg to get rid of. This means that if you take a pregnancy test while bleeding and the results are positive, you were bleeding for a reason other than your period (more on this later).

When is the best time to take a pregnancy test?

Anytime from the first day of your missed period to around the tenth week of pregnancy is the optimal time to take a pregnancy test.

During the first eight to ten weeks of pregnancy, hCG levels increase quickly to a peak and then slowly decline over time. By the first day of your first skipped period, which is around ten days after ovulation, your period hormone levels should be high enough for a pregnancy test to pick up on them and show a positive result.

Possible reasons for bleeding during early pregnancy

If you thought you were on your period and still tested positive, there are a number of reasons why you might be experiencing early pregnancy bleeding. In fact, 25% of people who are pregnant may bleed during their first trimester. These reasons vary broadly from implantation bleeding when the fertilised egg is attached to your uterine lining, to unrelated infection like a UTI. We recommend that if you’ve tested positive on a home pregnancy test while bleeding, you should see your doctor as soon as possible.

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3 thoughts on “Can You Take a Pregnancy Test While on Your Period?

  1. Renee Johnson said:

    I took 5 pregnancy test they all are faint but you can see the line and I took a clear blue and it said pregnant!!! But why is my bleeding like I’m on my period? Is this my last cycle? I’m scared

    • Natracare said:

      Hi Renee. Have you tried different brands of pregnancy tests? If you’re concerned, we recommend booking in to see a doctor as they’ll be able to tell you for certain what your situation is. I hope this helps!

    • Kiki said:

      Did you find out why this happened to you? The same is happening to me now! Best of luck!