How do test strips tell if you are pregnant?
Usually, it takes 5- 10 minutes to observe the test results of early pregnancy test paper, but due to the difference of each test paper, some test papers must read the results within 5 minutes. Therefore, please read the description of the test paper you purchased carefully and strictly observe the test time.
1, positive: ribbons appear at the upper and lower ends of the test paper, indicating pregnancy.
2. Negative: There is only a purple band at the top of the test paper and a colorless band at the bottom, indicating that you are not pregnant.
3. Invalid: colorless band appears. It means that the test paper is faulty.
In addition, urine samples should be collected in clean and dry containers. Urine can be detected within one day, but the concentration of HCG in morning urine is usually the highest. The detection reagent is HCG test paper based on the principle of immunochromatography double antibody sandwich method, which can determine HCG in urine samples within 3 minutes. During detection, the urine sample siphoned through the antibody labeled with colloidal gold to form an antigen-antibody colloidal gold complex, and the complex continued to crawl. When it passed through the coated monoclonal antibody against HCGα subunit, a double antibody sandwich colloidal gold complex was formed, and a color band appeared at the coating line. Excess colloidal gold antibody continued to crawl and formed a colloidal gold immune complex with the goat anti-mouse control line, showing a color band. The HCG colloidal gold detection kit adopts double antibody sandwich one-step technology, and uses colloidal gold as an indicator to detect the concentration of HCG in urine to diagnose whether a woman is pregnant. Test paper is a reliable index to assist clinical judgment of pregnancy. Human chorionic gonadotropin (HCG) is a glycoprotein hormone produced by the placenta of pregnant women. Early pregnancy test paper adopts double antibody sandwich one-step technology, with colloidal gold as indicator, and detects the concentration of HCG in urine to confirm whether a woman is pregnant or not.
Generally speaking, during pregnancy preparation, women can use pregnancy test paper to detect whether they are pregnant when their menstruation is delayed for about a week, and the accuracy is also very high. However, due to the low content of human chorionic gonadotropin in women's early pregnancy, morning urine is generally used as the detection standard. I wish all pregnant women a good pregnancy immediately.
Must prenatal examination be done in the first trimester?
Pregnant women must have a prenatal examination in the first trimester. This can not only ensure the healthy growth of the fetus, but also ensure the good physical condition of the pregnant mother. Some pregnant women do not have early pregnancy examination in time because of economic problems, which is very dangerous for the fetus and themselves.
Early pregnancy examination is mainly to determine the gestational age and confirm the time of pregnancy. Many women are not allowed to menstruate, and the date of ovulation is not exact. If the gestational age is not determined in time in the early pregnancy, it is difficult to calculate the delivery date in the later period, and it is impossible to monitor whether the fetal growth and development are normal and the placental function.
Early pregnancy examination can check whether it is intrauterine or ectopic pregnancy. Ectopic pregnancy is very dangerous because of its high incidence. If ectopic pregnancy is ruptured, internal bleeding will cause life crisis.
Prenatal examination in early pregnancy can also preliminarily evaluate the physical condition of pregnant women with basic medical diseases such as hypertension, hyperglycemia and nephritis. If so, it depends on the severity, whether treatment is needed, whether pregnancy can continue, how much harm it will do to pregnant women, and take necessary measures as soon as possible to ensure the safety of expectant mothers during pregnancy.
Because of the abnormal phenomena that are easy to appear in the first trimester: threatened abortion, vaginal bleeding and abdominal pain, these situations may also be ectopic pregnancy, so you should see a doctor in time. If it is threatened abortion of intrauterine pregnancy, it should be handled in time to ensure the normal development of the embryo.
Therefore, I hope that every pregnant mother should take good care of her baby and her body and do regular check-ups in time.
Leucorrhea examination: To know whether trichomonas and mold exist in vagina, and check chlamydia, mycoplasma and gonococcus if necessary. If the above microorganisms exist, it is easy to cause upward infection, affect embryo development and induce abortion.