How long can early pregnancy test paper measure out?

summary

Pregnancy test paper is able to detect pregnancy, and pregnancy test paper is also the simplest, more accurate method of self-test pregnancy. For example, if a woman has no menstruation in about 40 days, she can use pregnancy test paper to test whether there are signs of pregnancy. How long can pregnancy test paper measure out? Let's talk about it.

How long can early pregnancy test paper measure out?

1. The working principle of pregnancy test paper is to detect HCG value, that is, the value of human chorionic gonadotropin. The hormone is made by the placenta and usually appears in the urine after a few days of pregnancy. However, due to its small amount, it is not easy to test until 10 to 14 days later（ HCG value can also be measured by blood test, and it is much more accurate). Neither too early nor too late works well.

2. It is generally recommended to use the first urine test in the morning. For women who are just pregnant, the results are more accurate. But for women who have been pregnant for some time, urine at any time of the day can be used for testing.

3. From roommate to pregnancy generally takes about 7 days, that is to say, the day of pregnancy (equivalent to 7 days after roommate) can detect whether pregnant. Ten days after sex to the hospital can be blood HCG test, can initially determine whether pregnant. Test paper generally in menstrual delay about a week before the test has clinical significance

matters needing attention

Although many kinds of pregnancy test papers show that women can do pregnancy self-test one day after missing their normal menstrual period, in fact, not all pregnant women emit hCG at the same speed and quantity, which varies from person to person. If you do a urine test too early, the negative reaction may be wrong. " Therefore, it is best to do pregnancy self-test two weeks later in the menstrual period, so the results will be more reliable.