First Response Is The Answer

First Response Is The Answer video

Am I pregnant? There’s no more important question. And no matter where you are in your pregnancy journey, there’s no more certain answer5. First Response is by your side, every step of the way.


First Response Is The Answer

Use our pregnancy test calculator to find out the earliest day you can take your pregnancy test.

When did your last period begin?

Please enter a valid date.

What is your average cycle length?

Start with the first day of one period and count right up to the day before the first day of your next period. Count the first day of bleeding or spotting as day one. The average cycle length is 28 days, but can range anywhere from 20 to 45 days.

You can take a pregnancy test

Am I Well-Informed?

Whether you are at the beginning of your pregnancy journey, trying to conceive, struggling with infertility, or in your third trimester, we’re here to guide you along the way.

Pregnancy & Fertility Products

First Response product lineup

Learn how First Response can help you through your TTC journey with our pregnancy and ovulation tests and fertility-friendly lubricant.


There will be life video

Hope and joyful moments will guide us through these uncertain times. There is so much joy in bringing a new life into the world. So wherever you are in your pregnancy journey, First Response is here to reassure and support you.

The desiccant disc should not be eaten.

Number one pregnancy test kit brand in the US


*Data on file.

1 FIRST RESPONSE™ detects the pregnancy hormone 6 days sooner than the day of your missed period (5 days before the day of expected period).

2 >99% accurate at detecting typical pregnancy hormone levels. Note that hormone levels vary.

3 A trademark of What to Expect. Used under license; Reprinted with permission. © 2020 What to Expect. All Rights Reserved.

4 2006-2010 National Survey of Family Growth, CDC.

5 Among home-use pregnancy tests. Excludes direct-to-consumer brands. Based on >99% accuracy in detecting the pregnancy hormone from the day of expected period.

6 Voted most trusted Pregnancy Test brand by American shoppers based on the 2020 BrandSpark® American Trust Study.

7 7L52W Nielson AOC Unit Sale Ending 7/25/2020.