Home pregnancy tests are quite easy to use, but not as easy to read. Sometimes the results can be misleading, being false negatives or false positives. Coloring control lines of pregnancy tests can vary in intensity which can also disorient you. You have to know that the moment of its accomplishment and the observance of the instructions on the prospectus matter a lot in the accuracy of the result.
How do you do the pregnancy test and how do you realize it is positive?
Although the indications of many pregnancy tests for reading results seem very clear, they can often be misleading. Today, pregnancy tests have developed and evolved as precision and technique and use. If only morning urine was used for accurate results, modern tests use urine at any time of day. However, it is advisable not to drink too much water before performing the test because you risk diluting the urine and the result may be imprecise or irrelevant.
It is also advisable to take the test long enough after unprotected sexual contact to detect the pregnancy. These tests are based on the detection of human chorionic gonadotropin in the urine. This is the pregnancy hormone, but it is produced only after implantation (nesting) that occurs 6-12 days after ovulation. The recommendation is to do the test about 10-12 days after ovulation. It is best to wait for menstruation delay, ie the period of amenorrhea, to take a test. Each pregnancy test has a waiting time interval after it is inserted into the urine to find out the results.
In most tests the time is between 3 and maximum 10 minutes, depending on the indications on the packaging. Attention, it is important to read the test in a timely manner, otherwise modifications may occur that are not relevant to the result. Usually, if a single line is colored within the indicated time limit, then the test is negative, and if 2 lines appear, it means that it is positive.
The accuracy of the results is somewhere between 97 and 99%, but only if the test is done correctly. You can do 2 different tests (different brands) at the same time for greater certainty of the results and to be sure that you are not doing anything wrong. Be careful, if a pregnancy test comes out positive or negative, there is no certainty that you are pregnant. There have been numerous cases when the pregnant women presented to the doctor with positive pregnancy outcomes and found that in fact something else had influenced the outcome and they were not pregnant.
What does it mean if the test has 2 colored lines, but the color is erased?
Sometimes there are variations in the color of the test lines. For example, most often they can mislead you in situations where the first is very colorful, and the second is deleted or the one where both are very light in color. Normally, it requires 2 lines corresponding to the test, in order to be considered positive and it must have the same intensity as the line corresponding to the control area of the validity of the test itself (the respective stick).
A clear color of this second line may appear as a result of a test error (in which case the test may sometimes be misinterpreted positively). In order to find out if you are pregnant, you may have to re-perform a pregnancy test, taking into account that it becomes positive 10-14 days after the sexual contact considered fecund.
Symptoms of an incipient pregnancy are: lack of menstrual bleeding, fatigue, drowsiness, tension in the breasts, changes in appetite, nausea, vomiting - but they sometimes appear later, after 3-4 weeks after fertilization and can occur even in the absence of pregnancy. Also, an ultrasound (endovaginal probe ultrasound shows a pregnancy if it has at least 4-5 weeks evolution) and a gynecological consultation can certify or deny the presence of a constituted pregnancy. Regardless of the presence or not of the pregnancy, I recommend investigating the period of amenorrhea through a specialized consultation.
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