The Chemistry Of Pregnancy Tests
Posted On April 7, 2011 In Clearblue Pregnancy Test
A pregnancy test is essential to confirm the pregnancy because all further steps depend on the results of this test. The pregnancy test helps us to measure the level of a specific hormone known as chorionic (HCG) gonadotropin human, present in the urine. This hormone is produced when an egg fertilized in the uterus gets entrenched and this usually happens after six days of fertilization. The level of HCG in human blood increases after the fertilization of the egg. A pregnancy test allows a woman to know about the increase in the level of HCG in their bloodstream, usually a week after the scheduled time of the beginning of their monthly periods.
Pregnancy Test Kit
A number of pregnancy testing equipment is readily available in the market and is very easy to use. These kits include the collection of a urine sample to measure the level of HCG in the body of a person. It is better to take the show early in the morning when the hormone is pure. A pregnancy test kit contains a strip that crosses over the urine sample. You are testing different methods of use of the kits to show the results of the sample. While some show positive (+) or negative (-) sign to indicate the result, there are others showing the lines of color pink or purple to confirm pregnancy.
Sometimes the test can give a negative, despite one of them pregnant result. In that case one should check the calendar or the regularity of the periods or the menstrual cycle. It is also advisable to carry out another pregnancy test, or visit your doctor for appropriate advice.
Pregnancy chemistry
In some cases, the results of a pregnancy test may not be accurate. This means that while the test can show positive results which implies the presence of HCG in the urine, the development of the egg is not correct. This is basically due to a concept called “chemical pregnancy” in which a fertilized egg begins to produce HCG but fails to develop further.
In the early stages of pregnancy, several signs of pregnancy as a tender breast, exhaustion, nausea, frequent urination can be easily observed. However, one cannot rely only on the symptoms of pregnancy or a pregnancy alone test. It is always best to carry out subsequent pregnancy tests to confirm the pregnancy even after the test is positive or negative.
Pregnancy is a wonderful experience in the life of the woman. By what one must remain safe during his term of Office and go to all the necessary evidence. In cases where an early pregnancy test shows negative results and experiences some of the symptoms of pregnancy, it is best to consult a doctor and resolve all doubts. One should not doubt in search for an answer to all queries and concerns in mind. A pregnancy test, however, remains the most important and the first step to confirm the pregnancy.
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