What do you mean by negative and positive? Everyone has heard of the words negative and positive, so women also use these two words to distinguish when they are pregnant, but they don't know much about this technical term. What do you mean by negative and positive?
What do you mean by negative and positive? 1 is negative, indicating that there is no reaction with the reagent, indicating that there is no corresponding antigen in the body fluid.
The results of laboratory tests or reports are usually indicated by (+) and (-). The (+) and (-) here are not symbols of addition and subtraction in mathematical calculation, but are used to represent positive and negative results. In some routine examinations of women, there are also many negative and positive results.
Positive and negative are generally routine indicators given by clinicians when doing examinations or laboratory tests. Usually, positive means meaningful and negative means normal, but there are also differences, which should be determined according to the meaning displayed by the examination. For example, exams generally write negative double attachments, that is, double attachments are normal.
In laboratory tests, if Australia is negative, it means that this person is not a carrier of hepatitis B virus, if syphilis serum is positive, it means that there may have been syphilis infection and so on. This is generally the case, of course, there are exceptions, so the pros and cons are one of the meanings of the exam, and most of them are like this.
Briefly introduce several kinds:
1, blood HCG detection. If the test result is positive, it means that you are pregnant, and usually a specific value will be given; If it is negative, it means that it is not pregnant.
2, leucorrhea routine inspection. Routine examination of leucorrhea includes vaginal pH, vaginal cleanliness and vaginal microorganisms. If white blood cells are positive, it means bacterial infection; Trichomonas positive indicates trichomonas infection; Mold positive or fungal positive indicates mold infection. If the symptoms of abnormal leucorrhea, such as excessive amount, peculiar smell, pruritus vulvae, etc., are combined with the positive part of laboratory indicators, it can be diagnosed as vaginitis of a certain nature and needs drug treatment.
For the examination of female diseases, if it is positive, it may not be diagnosed as a certain disease. It is necessary to combine specific clinical symptoms and draw a conclusion through comprehensive judgment.
What do you mean by negative and positive? 2 What is a false positive pregnancy and the reasons for this situation?
First, psychological factors.
Many married women who have been infertile for a long time really want to have a healthy and beautiful baby, so they want to get pregnant every day. Psychological hints may lead to some situations that only occur during pregnancy. If you want to eat acid, nausea, physical fatigue, and even menstrual stop and other symptoms. At this time, the level of HCG index may rise, so the results obtained by test paper and pregnancy test stick may be weakly positive.
Second, suffering from diseases such as tumors.
When women suffer from diseases that affect endocrine function, such as tumor, cancer and gynecological diseases, there will be degenerated cells in the body, which will affect the secretory function of hypothalamus and pituitary gland in our body. Pregnancy can also lead to different body endocrine, because the principle of early pregnancy test paper is to determine whether a woman is pregnant by detecting the HCG concentration in urine. When endocrine disorders occur in the body, early pregnancy test paper may detect positive results.
Third, there is something wrong with the early pregnancy test paper.
Some pharmacies may sell expired early pregnancy test strips and pregnancy test sticks, or some of the same batch of early pregnancy test strips are invalid. Therefore, when a female friend goes to a drugstore to buy a pregnancy test stick, she must carefully observe the date of production and the formal signs. In addition, if the early pregnancy test paper is opened for a long time and the temperature is kept too high or too low, the substances in the early pregnancy test paper will also be destroyed. If there is something wrong with the early pregnancy test paper, the measurement results will be inaccurate, leading to false positive results.
Fourth, ectopic pregnancy.
If the test results of pregnancy appear on the early pregnancy test paper, but the fetus is not found when going to the hospital for B-ultrasound, it may be ectopic pregnancy. Ectopic pregnancy can lead to the increase of HCG hormone concentration in the body, but the incidence of ectopic pregnancy is usually in the fallopian tube, so it is impossible to give birth to a fetus normally. If it is an ectopic pregnancy, it is generally necessary to remove the fallopian tube of the affected area. If not treated in time, the risk of harm to women's health is great.
We already know what a false positive pregnancy is, which is the result of the interaction of psychology, physiology and some external factors. Wang Baolai suggested that women should not have too much pressure in childbirth, and try to let nature take its course and relax. If the test paper and pregnancy test stick are positive, you can't believe them all. You must go to the hospital to do HCG test to confirm the diagnosis. Even if there is infertility, you can choose to use IVF technology to help you have children.
What do you mean by negative and positive? There are many reasons for false positive pregnancy, mainly the following reasons:
First, it may be that the pregnancy test paper or pregnancy test stick is improperly operated, and false positives may occur. If the pregnancy test paper or pregnancy test stick has quality problems, or the method is wrong during use, it may lead to this situation.
Second, it may be that the pregnancy time is too short for women to detect whether they are pregnant or not, which may reflect the symptoms of false positive pregnancy in the detection process.
Third, consider the false positive reaction caused by taking drugs or food that affect the results before the test.
Fourth, it may be caused by factors such as expired or damp products.
The above results will lead to inaccurate test results of pregnancy test stick or pregnancy test paper, so you need to go to the hospital for specific examination, and blood HCG can be detected.