When we are trying to have a baby we can often be rushed or impatient to know if we are pregnant and we tend to carry out the pregnancy test in advance so the test can lead to false negatives. But, when is it advisable to take the pregnancy test? , from what date can you give a reliable result? In G
When we are trying to have a baby we can often be rushed or impatient to know if we are pregnant and we tend to carry out the pregnancy test in advance so the test can lead to false negatives.
But, when is it advisable to take the pregnancy test?, from what date can you give a reliable result? In Guiainfantil.com we take you out of doubt so you can know if you are pregnant or not.
Urine test and blood test to know if you are pregnant
There are tipos two types of pregnancy test, blood test and urine test and both measure the level of the hCG hormone that confirms the state of good hope. This hormone is released by the embryo since it is implanted in the wall of the uterus and increases in level until the end of the first trimester. The urine test is capable of detecting the hCG hormone concentrations above 25-50 mUl / ml of hormone, while in the case of the blood test it is able to detect concentrations of the pregnancy hormone from 10 mIU / ml. That is why it is easier to detect the hCG hormone in a blood test.
urine tests have a reliability of 95-97 percent , and it is advisable to perform the blood pregnancy test in a medical center to confirm the result.According to the experts, the pregnancy confirmation is offered by the fetal ultrasound that is performed around the sixth or seventh week of pregnancy in which it is assessed whether there is embryonic development and gestational sac.
What is the best time to do the pregnancy test
Through the urine test the best time to confirm if a woman is pregnant is approximately
two weeks after ovulation occurs o, or about seven days after of the first day of delay in menstruation. If you do a home pregnancy test, which you can buy at any pharmacy,it is best to wait at least one day after the absence en, in case you have regular rules. If this is not the case, it is preferable to wait at least one week after the absence.
False negatives in the pregnancy test: There are some pregnancy tests that ensure that they are able to detect the presence of the hormone hCG up to 5 days before having to lower menstruation, although experts say that if the test is performed Advance form can lead to a negative result even if pregnant, because hCG levels at the time of the test are still too low to be detected correctly.False positives in the pregnancy test:
As false negative results can be given in pregnancy tests, what can be called false positives can also occur, that is, the test confirms a pregnancy that is not really having place. This can happen in the following circumstances:
1- If an ectopic pregnancy occurs, that is to say that the embryo is implanted outside the uterus.
2- Early abortion: the embryo is implanted in the uterus but its development stops after a few days.
3- Ovarian tumor: the increase in the level of the hCG hormone is one of the markers of this type of tumor.
4- A positive result can be detected due to remnants of the indicated medication for fertility treatments.