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When Should I Take a Pregnancy Test?

1st Signs of Pregnancy. Tests to Rely on. Differences that Influence the Results.

When should I take a pregnancy test? Today this is one of the commonest questions that keep bothering millions of women all over the world. Luckily or not, there isn’t a single answer to this question. No one is going to tell you “Take your test in 2 days or 2 weeks”, because the usual answer is “It depends…”

If that annoys you a lot and you would like to know more about fertilization process, go on reading. These helpful tips will provide a clear view as to when to take the test to have the most reliable results.

“How-Soon” Factors

They say that the female organism’s work reminds that of the clock, though each woman has her own mechanism. Mostly, a woman experiences a little amount of spotting and even bleeding during the early stages of pregnancy. As a rule, it takes up to 14 days after fertilization. This bleeding is absolutely safe and is referred to as embedding bleeding.

Reaching the point of feeling nausea and vomiting, realizing that specific foods cause negative reactions means it’s high time to take a pregnancy test. The only BUT is the fact a test can show a negative result… Why?

Pregnancy Test Sensitivity

When should I take a pregnancy test? Well, that depends on the sensitivity of the pregnancy test you are about to use. Though all tests measure the amount of HCG (human chorionic gonadotrophin), some of them are more sensitive than others. 

Some pregnancy tests detect 20 mIU of HCG, while others can detect pregnancy at 150-250 mIU, which means  the first type of test will give the positive result much sooner than the second one.

When the test is more sensitive, it detects even the lowest levels of HCG during the first 4 days (!) before the period is due, and 7 days (!) after conception. If you test too early (even with the most sensitive test available in the drugstore), you can get a false result.

Blood vs. Urine Tests?

The urine test can be done at home. Though it manages to detect the amount of HCG, it is not referred to as the most reliable test ever. Urine tests can show results in lines, symbols, color changes, etc. Being done correctly, the tests give 97% accurate results.

Unlike urine tests, blood ones cannot be performed at home. A woman can get a test done at the doctor’s. Though the test cannot be done earlier than 7 days of ovulation, it is more reliable and provides 99% accurate results.

How do the Tests Work?

Pregnancy tests that promise results starting with three or four days before your missed period, assume a 14-day luteal phase.  If your phase is usually 12 days, 4 days before the missed period would be 9 days after ovulation. This is why it’s too early to take the test.

In case you have a luteal phase of 15 days, 4 days before missed period would be 12 days after ovulation, which means you still don’t have enough hormone.

Difference in Conception and Implantation

We’ve already mentioned that every woman has a slightly different mechanism of body work. Besides, the time it takes for the fertilized egg to implant in the uterus wall varies as well. One of the commonest mistakes is to believe that the process of implantation takes up only 7 days. The latest researches found out that it varies and can last for 6-12 days with 85% of all pregnancies implanting. So, having no positive result doesn’t mean being not pregnant.

Adding to the researches, it should be noted that every woman will produce hormones at a varied pace (some do it faster, others – slower). The answer to the question “When should I take a pregnancy test?” depends on several more factors, including:

- consumption of liquids;
- the time of the day you take the test;
- previous miscarriages;
- ectopic pregnancy;
- abortion.

For these very reasons, consulting a medical expert about the mechanism YOUR body keeps to is an essential thing you are to do, if you’re trying to get pregnant. Considering his suggestions, it is recommended to take a pregnancy test, waiting for the required term. ALWAYS consider re-testing, no matter whether you are satisfied with previous results. Take your time, because 2-3 extra days won’t change anything.

Pros and Cons of Taking Pregnancy Tests on Early Stages

Taking pregnancy tests early has its own drawbacks and benefits you are to know about. Cons include:

- chances of getting false results even if you are pregnant;
- disappointment of getting negative results, especially if you are trying to conceive;
- waste of money (up to $18 per test).


- small, but still, chances to have a correct result;
- getting negative results not always means you’re not pregnant;
- a stimulus to consult a doctor and to be checked by a professional.

As you see, there are too many factors that influence the result of a pregnancy test. That’s why bothering your family and friends with the question “When should I take a pregnancy test?” is not an option.  Take your time and take several tests at different periods to get an accurate result.


Oftentimes sexually active women wonder if they are pregnant at some point when they miss a period. In order to check whether you are pregnant or not, there exist several methods and we are going to introduce them all to you.