Pregnancy test is a test made to determine pregnancy with the aid of a pregnancy test kit. Human chorionic gonadotropin (HCG) is a hormone that is produced during pregnancy. This pregnancy test measures the HCG. This HCG hormone is present both in blood and urine.
Best time to take a home pregnancy test is in the early morning.
The pregnancy test can be done in 2 ways either in blood or in urine. Blood pregnancy tests are of 2 types. They are quantitative and qualitative tests. A quantitative test measures the level of HCG present whereas the qualitative test looks for the mere presence of HCG hormone. Urine pregnancy test is the commonly adopted method to test during pregnancy or for pregnancy.
Process of pregnancy testing: Now-a-days, home urine pregnancy testing kits have been designed which makes the process of testing easier and convenient. A review showed that the home pregnancy testing kit when properly used displays the accurate results as that of a laboratory. The testing kit contains a chemical strip. A drop of urine is placed on the chemical strip. Within 1 to 2 minutes, the results are displayed.
Possible interpretations from pregnancy test:
The normal results in a pregnancy test will display high levels of HCG in the first trimester and it declines gradually during the coming trimesters. On the contrary, if there is no increase in the HCG level, then it means there is some problem with the pregnancy. Also, abnormal increase in HCG level indicates miscarriage and ectopic tubal pregnancy. A molar pregnancy or twins are detected by extremely high levels of HCG hormone.
False positive conditions: Sometimes this may give false negative results. This may be either because of insufficient HCG in the blood or if the test is done in the early days of pregnancy. The HCG level is below 25-50 mlU/mL in the early days of pregnancy. Some other reasons to get a false positive result are errors in test application, use of expired test kits, use of drugs containing assay molecule, and in cases of certain cancers where the HCG level remains elevated.
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