Pregnancy Tests Accuracy

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pregnancy test stripPregnancy tests accuracy as well as factors affecting the first pregnancy test are invaluable tools for determining the presence of  pregnancy. But when take pregnancy test? Proper timing is necessary in order to prevent pregnancy false test results as well.

Pregnancy tests work by looking for the presence of human chorionic gonadotropin (hCG) hormone in blood or urine. This hormone is also referred to as the pregnancy hormone. There are basically two types of tests available blood pregnancy tests and urine pregnancy tests that can be conducted either at a clinic or at home. Blood pregnancy tests are done only at the clinics under the supervision of  doctors. The best way to detect and confirm a positive pregnancy is through a blood test as it can accurately detect the levels of hCG and also help to identify problems or complications associated with it. A blood pregnancy test can accurately predict a positive pregnancy within seven days of probable conception. It is thus preferred by many couples who face infertility problems.

Urine pregnancy tests are more popular as it is a convenient and relatively cheap way to determine a positive pregnancy. Urine pregnancy kits are easily available in drugstores and can easily be bought over the counter. All you need to do is purchase one from a pharmacy or a drugstore. Urine pregnancy usually consists of a cup and a strip. A woman needs to urinate in this cup and then immerse the strip in the urine. The strip needs to be immersed in the urine for a specific duration, in order to detect and provide a reading. You need to read the instructions that come along with the kit. If you follow these instructions carefully, you will see the results within minutes. The result of the urine pregnancy test is quite accurate too. Another type of urine pregnancy test uses a dipstick or a test- strip which needs to be held in the urine stream or immersed in the sample of urine. The test- strip changes color if hCG is present in the urine confirming positive pregnancy. When you use a urine pregnancy test, it is best to use the first urine that had collected in the bladder overnight. This will provide an  accurate result. So when take pregnancy test is important to get an accurate reading. The accuracy of pregnancy tests conducted at home varies from one woman to another.

The factors responsible for pregnancy false test results depend on a woman’s menstrual cycle. Every woman has a different menstrual cycle. The time for ovulation can also vary each month. It is difficult to determine the exact date of conception or the time of fertilization. Each pregnancy test kit has different sensitivity towards hCG as well. Some offer low sensitivity to the pregnancy hormone in the urine. In such cases it is best to use the first urine in the morning as it is more likely to be accurate. For pregnancy tests accuracy use a home pregnancy kit about a week after a missed period.

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