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One Step Pregnancy Test: reliable and cheap, we give it a 10

The One Step Pregnancy Test is one of the cheapest and most reliable tests that we can buy easily and comfortably on the Internet. In this article I tell you all about it and, at the end, you have my conclusion.

One Step Pregnancy Test

One Step is a conventional test that measures the level of HCG hormone in the urine, very simple to use and comes in different presentations with different number of units: 1, 3, 5, 10, 15, 20, ..... The multi-packs further improve the prices, making it a cheap pregnancy test and, in addition, if you are looking for a baby, you will surely need several of them. Keep in mind that the search for a baby is not an easy task and couples, on average, usually take between 8 and 9 months to get pregnant. You can also buy One Step combined with the One Step ovulation test.

The One Step pregnancy test has a sensitivity of 10 mIU/mL, which means that it can detect the hormone at this concentration level. To give you an idea, the concentration level of the HCG hormone increases rapidly exceeding 100 mIU/mL when the first missed period is passed, therefore, and confirmed in the comments of users, the One Step pregnancy test can detect pregnancy several days before the expected day of menstruation, some girls talk about even 6 and 8 days before.

Here you can see a picture uploaded by a friend of mine on Amazon where you can see how the tone of the pregnancy mark goes up as the expected day of the period approaches. The numbers indicate the days before the period.

Positive pregnancy tests by day

But keep in mind that the best time to take a pregnancy test is when we are a few days late, so that the hormone concentration will be adequate and we will avoid false negatives.

How to use the One Step Pregnancy Test?

- In a clean container, avoiding that external agents contaminate the sample, we collect the urine sample, much better if it is the first of the day because the concentration of the hormone will generally be higher. - Let the urine cool a little for a better result, trying to keep it between 15 and 30 degrees. - We open the closed bag containing a One Step reaction strip and a desiccant. The desiccant only serves to keep the pregnancy test better, so we do not need it for anything. - We introduce the test into the urine with the arrow pointing downwards and remove it after 15 seconds. A very important thing is to make sure that the urine does not exceed the line indicated as maximum "MAX", otherwise the test result may not be correct. - We place the test in a flat position on a clean, dry, non-absorbent surface. - A positive result can be seen after 60 seconds, but to obtain a reliable result, the full reaction time of 3 seconds is required. full reaction time of 3 minutes is required but NEVER more than 5 minutes.

Interpret the result of the One Step predictor

Negative test (not pregnant)

Only one stripe appears in the control area, in the test area there should be no clearly visible stripe. This means that we are not pregnant or that the HCG hormone levels are too low to react and we will have to wait a few days to repeat the test.

Positive test (pregnant)

Two colored stripes will appear, in the control area and in the test area, very distinguishable. This indicates that you are pregnant. The intensity of the color of the stripes may vary as the concentration of HCG hormone varies at different stages of pregnancy. If the stripe in the test zone is too light and you are not sure, wait a few days to repeat the test.

Positive pregnancy test

Invalid test

If we do not see any streaks or, only the streak of the test area appears, it means that we have not performed the pregnancy test correctly. Repeat the test following the instructions correctly.

And now, the instructions also in video!


Honestly, I was very surprised by this pregnancy test, both in price and reliability. For the price of a test in a pharmacy, we can buy 10 units.

Being able to buy it online, with the reliability that Amazon provides and the discretion with which the order is received at home, makes our choice even clearer.

Still have doubts? Just take a look at the reviews they have on Amazon and you will see how many girls confirm how well they work!


Rosa: I have been detected positive 10 days POST OVULATION and 6 days before my period.

I am very happy because in the time that I have used them, which has been 5 months, they have never given me a false negative. I have seen the negative when it was and the positive super early so I can not complain.

Undoubtedly for me this brand is 10 out of 10 in the treatment of lis sellers as in the quality of the product.

Cristina: I recommend it to everyone, as they are super economical and very reliable. The product arrived in the time they tell you, I swear it even arrived ahead of time. The packaging is very discreet as described. It detected the positive six days before the fault, so it is true its high sensitivity. I will certainly recommend it to everyone around me and I will buy it again in the future.

Everything you need to know if you are pregnant: pregnancy test, home pregnancy tests, first signs of pregnancy online, follow up tests. We also talk a lot about stretch marks, white stretch marks, red stretch marks, stretch mark treatments and an anti-stretch mark cream special.

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