Often young women can't wait to find outwhether conception occurred at the beginning of pregnancy. Sometimes, girls, without waiting for the delay of menstruation, run to the pharmacy for a pregnancy test. And then they start to worry about the popular question: when can I do a pregnancy test to get a reliable result?
How does a pregnancy test work?
The method of the pregnancy test is very similar tomethod of tests that detect drugs in the body. Urine contains many different substances that respond to special developers. In the body of a pregnant woman begins to dramatically produce a special hormone (hCG), to identify which all pregnancy tests are directed. The presence of hCG in the blood is a reliable sign of pregnancy, therefore, if the test result is positive, the probability that you carry your future baby is 99%.
When can I do a pregnancy test?
The hormone hCG is produced very quickly, but thisthe process begins only after implantation, which occurs on days 6-12 from the moment of conception. Before implantation, the test will give a negative result. As a result, a hypersensitive test that detects hCG from 10 mU / ml will be able to show the subtle second strip not earlier than on the 8–10th day of pregnancy. An ordinary cheap test with a sensitivity of 25 mU / ml will detect pregnancy after 10 days from the moment of conception, provided that the implantation occurred very early. But to talk about the reliability of a negative result of such a test can only be a couple of weeks from the day of conception. Therefore, wondering on what day to do a pregnancy test, count two weeks from the expected day of conception.
How to perform a pregnancy test?
Each test is accompanied by instructions, howeversome women make mistakes trying to determine their position. First, do not touch the special reaction zone where the developers are located. Do not allow moisture to the test before using it. Secondly, all tests, except for jet (midstream), can not be used in a stream of urine! Find any clean jar, glass or plastic, that will help you with this procedure. Third, pay attention to the test results three to five minutes after use, as indicated in the instructions. You should not wait 10 minutes or more, because during this time the moisture evaporates and damages the reaction layer. Often a negative test shows a second strip 11-15 minutes after use. It would be a mistake to assume that you are pregnant, if only one control line appeared through the time mentioned in the instructions. The most appropriate time of day when you can do a pregnancy test with the most accurate result is morning. In the morning in the body of a pregnant woman contains the maximum amount of hormones HCG. It should be noted that the brightness of the second bar does not matter. The weakest second strip indicates your pregnancy if the test is performed correctly and you are not taking any special medications containing this hormone.
If you correctly calculated when you can doa pregnancy test, and at the same time the test gave you a negative result, the probability that you are not pregnant is 90%. The remaining 10% is the probability of late implantation and a slow growth in the amount of hCG. Therefore, if a week after a negative result, menstruation has not started, do the test again. A false negative test result may be impaired by kidney problems.
Knowing how and when to test forpregnancy, you are most likely to get a reliable result. Find out whether you will soon become a mother, now you can at home, without registering in the queue to the doctor!
