Pregnancy is a very different process for women. However, the process of learning about her pregnancy for the first time causes quite different feelings for women. At this point, those who have a negative pregnancy test and later learn that they are pregnant are usually quite surprised by the result and may not understand exactly how this situation happens.
There is a margin of error in pregnancy tests, which are usually performed with urine, albeit low. At this point, if you have a negative result in your urine pregnancy test, but you think that you have a very high chance of being pregnant, you should definitely have a blood test. ~ 153~
Generally, as long as late fertilization is not seen, blood tests always give positive results in case of pregnancy. For this reason, people who have a suspicion of pregnancy but have a negative result after a urine test should go to the hospital and apply a blood test to be absolutely sure.
Many women do not think of pregnancy, even if they apply a pregnancy test with urine tests, they do not trust the result to be negative and wonder if pregnancy will occur later on.
Early Pregnancy Test Negative Pregnant
Early pregnancy tests are tests that give a pregnancy result in the first few weeks of pregnancy. These tests, which have the same features as the pregnancy tests performed with urine, can only give positive results in periods when normal pregnancy tests are not likely to give positive results, since they have more sensitive scales.
At this point, those who have a negative early pregnancy test and are pregnant should rely heavily on a negative early pregnancy test. Because although early pregnancy tests have sensitive scales, their reliability is very low compared to blood tests.
Some actions taken by pregnant women, especially for the purpose of trusting the negative result in early pregnancy tests, may endanger the pregnancy as well as endanger the life of the expectant mother.
In this case, all women with suspected pregnancy must perform the blood test that gives the most accurate result.
How to Take a Pregnancy Blood Test
How to do a pregnancy blood test? The question is often asked by women who are suspected of pregnancy. Especially with the onset of pregnancy, a large amount of HCG hormone begins to be secreted in the body and pregnancy tests detect this hormone and give positive or negative results.
The pregnancy test performed with a tube of blood taken from the arm veins measures the level of HCG in the blood and shows whether there is a pregnancy situation.
In women who are in reproductive age and have active sexual intercourse at the same time, elevated HCG hormone is a sign of pregnancy. Because this hormone is not found in high amounts in the body outside of the pregnancy period.
Beta-HCG hormone levels during pregnancy can be listed as follows; ~ 153~
- 5 to 50 mIU/L at 3 weeks of pregnancy
- From 1080 to 56500 mIU/L at 6 weeks of pregnancy
- 7650 to 229000 mIU/L at 7-8 weeks of pregnancy
- 25700 to 288000 mIU/L at 9-12 weeks
- 13300 to 254000 mIU/L at 13-16 weeks of pregnancy
- 4060 to 165400 mIU/L at 17-24 weeks of pregnancy
- 3640 to 117000 at 25-40 weeks of pregnancy from mIU/L
~252 between 5 and 426 mIU/L at 4 weeks of pregnancy
~252 between 18 and 7340 mIU/L at 5 weeks of pregnancy~253 ~
Thus, by looking at these hormone levels, it can be determined in which week of pregnancy it is and at the same time it can be determined whether pregnancy is in question.
As it can be seen from the table above, since the HCG hormone is quite low in the first 2 weeks of pregnancy, it is not possible to be detected by pregnancy tests and may not be fully revealed in the blood test at the same time.
