There are 2 kinds of pregnancy examinations; the first uses a urine sample, the next one uses a pregnancy blood test. Both tests identify the existence of a hormone known as HCG (human chorionic gonadotropin). This hormone is created by the placenta soon after the embryo joins to the uterine lining and constructs quickly in your body in the first days of pregnancy. It is this speedy change in hormones that activate the majority of your pregnancy indications. Urine tests can be carried out in 2 different systems and these can be executed in the residence or in a hospital. The first method engages taking a urine sample in a cup and inserting a stick into the urine sample, or putting urine into a unique bottle with an eyedropper.
A Pregnancy Blood Test is an examination that measures the accurate quantity of hCG which is known as the pregnancy hormone, in the blood sample of a woman. hCG is noticeable in the blood and urine within ten days of fertilization. There are 2 kinds of blood pregnancy examinations, namely, quantitative hCG blood test and qualitative hCG blood test. Qualitative Pregnancy hCG Blood Test – can merely provide a “yes” or “no” response as to whether HCG is present or not. Quantitative Pregnancy hCG Blood Test – can in fact quantify the accurate quantity of hCG in the woman’s blood sample. This test can assist in providing a coarse approximation of the age of the foetus. It can as well assist in deciding if the pregnancy is making progress correctly. However, the qualitative test is not capable of giving this additional information.
Taking the actual pregnancy blood test
The procedure to take a blood sample is described as follows. A blood sample is taken from a blood vein found on the forearm or your hand. Cleaning of the area with antiseptic and apply a tourniquet to your arm to expand the marked blood vein. A needle is quietly put in into the blood vein, and the tourniquet detached. The blood sample can be collected in a syringe or vial. The laboratory analysis to quantify the amount of HCG is carried out next. The blood test may end up with false both negative outcomes and positive outcomes. False negative results (the test outcome is negative, but in reality you are pregnant) this typically happens if the test was undertaken too early. This is the reason that there might not be sufficient hCG in the blood sample to notice a pregnancy.
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False positive results (test outcome is positive, but in reality you are not pregnant) this might happen if you are taking a medicine that holds hCG. Blood tests conducted at hospitals are likely to have a ninety eight to ninety nine percent correctness rate. These tests can be carried out 7 days following when you ovulate (which is nearly one week prior to your period being due) and still offer correct outcomes. The most recent reports do say that blood tests are certainly more correct than urine tests. Therefore, in order to find out if you are pregnant then it is advisable to undertake a pregnancy blood test.