One deep and one shallow pregnancy test stick

summary

Test principle of pregnancy test stick: pregnancy test stick is a kind of in vitro diagnostic products. The so-called test is to use pregnancy test stick to detect human chorionic gonadotropin in urine. At present, the vast majority of pregnancy test products on the market adopt colloidal gold method. According to the double antibody sandwich principle, the qualitative or semi quantitative detection of human chorionic gonadotropin in urine is carried out, so as to determine whether pregnant or not Is the pregnancy test stick pregnant? Next, I'll share my experience with you.

One deep and one shallow pregnancy test stick

One: just pregnant human chorionic gonadotropin too little test is not obvious, early use of pregnancy test stick, may appear a deep shallow situation.

Second: "ectopic pregnancy" leads to the low level of human chorionic gonadotropin. After menstruation is delayed, the pregnancy test stick has been showing a deep and shallow phenomenon. We should go to B-ultrasound examination as soon as possible to see whether the fetal development is normal.

Third: it may be biochemical pregnancy. If the contrast line is obviously clear and the color of the test line is very light, it means that you may be pregnant, not necessarily pregnant. In this case, you need to collect morning urine with a new pregnancy test stick every two days to retest.

matters needing attention

1. Try to use the first urine test in the morning, when hormone levels are most easily detected. If it doesn't work, make sure the urine stays in the bladder for at least four hours. 2. Don't drink too much water in order to increase urine, because it will dilute the hormone level. 3. Before testing, read the instructions carefully and do it according to each step accurately. 4. Some drugs may affect the test results, so be sure to read the label carefully.