This is an automatically translated article.
Pregnancy test is no stranger to women, but not everyone understands its tool well. A series of questions are still often interested by women such as whether the pregnancy test is accurate? What should I do if the pregnancy test does not show any lines?
1. What is the working mechanism of pregnancy test strips?
1.1 How it works The pregnancy test strip is the first thing women think of when they feel they are showing signs of pregnancy. The reason why the pregnancy test from the time of its invention in the 1970s in the US is still widely used worldwide:
Simple mechanism of action: The pregnancy test strip consists of 3 main parts: direct urine contact area, result area and comparison zone. Users only need to put the urine contact area marked on the pregnancy test strip into the urine cup and wait for the results to be finished. Inside the pregnancy test is a substance that helps detect the concentration of hCG hormone in urine, this is a hormone secreted by the placenta.
Get fast results: Compared with blood test and ultrasound, using pregnancy test strips helps women quickly get results, after only 5 minutes of waiting, you already know if you are pregnant or not. are not.
Cost savings: The cost of buying a pregnancy test is much less than going to the hospital to perform a blood test or an ultrasound.
1.2 Notes when using a pregnancy test strip you should know Although using a pregnancy test strip is very simple, you should pay attention to the following things to avoid the situation that the pregnancy test strip gives incorrect results:
avoid drinking water before taking the pregnancy test because drinking a lot of water will dilute the urine, the concentration of hCG in it is also diluted, making it difficult for the test strip to give accurate results; It is advisable to take a pregnancy test early in the morning because this is when hCG levels are most concentrated; It is best to take a pregnancy test at 7-9 days after the missed period; Ovarian cyst disease is also the cause of the 2 bar pregnancy test result, you should go to the hospital to check it again before notifying your relatives, family and friends; If you are unsure of the results, you can try again about an hour later. The cost of a pregnancy test does not determine the quality of the test, a cheap pregnancy test does not mean that the results are inaccurate.
Que thử thai là vật dụng đầu tiên chị em phụ nữ nghĩ đến khi cảm thấy bản thân đang có các dấu hiệu mang thai
2. Frequently asked questions by women when using pregnancy test strips
2.1 Why is the pregnancy test not showing any lines? After taking the pregnancy test and waiting for about 5 minutes, usually the test strip will show 1 line or 2 lines indicating that you are pregnant or not. However, many women reflect that after waiting for the pregnancy test to see no lines, the main cause of this situation is because:
The pregnancy test strip has expired, now you should check the expiry date of the stick on the box; Buy a fake pregnancy test, you should buy a pregnancy test at a large and reputable pharmacy, to avoid buying a poor quality pregnancy test. 2.2 Are pregnancy tests accurate? Studies have shown that pregnancy test strips are more than 90% accurate. There are very few recorded cases of pregnancy test strips giving false results on a large scale. In general, if the pregnancy test strip gives inaccurate results, the user should first check that he has followed the correct usage steps, re-check the expiry date of the test as well as the state of health. health before use (for example, whether you are taking hCG-containing medicine or have an ovarian cyst).
2.3 The pregnancy test gives false results why? Here are the main causes of false pregnancy test results you should pay attention to:
Poor quality pregnancy test strips: As mentioned above, the quality of pregnancy test strips greatly affects the pregnancy test results. You should buy test strips at reputable drugstores. Using the wrong strip: This could be the cause of the test strip not giving the correct result. You may have left the test strip in your urine for too long before testing, or it may not have been enough time to have it tested. Please follow the instructions for use correctly to avoid this situation. Effects of drugs: If you use certain drugs such as fertility drugs, diuretics, sleeping pills, Parkinson's disease drugs, there will be a certain influence on the results of pregnancy test. Drinking too much water: Dilutes hCG levels Have ovarian cysts: If you have this disease, a pregnancy test will give a false positive result.
Chất lượng của que thử thai ảnh hưởng rất nhiều đến kết quả thử thai
Pregnancy and childbirth is a process, so to prepare for a healthy pregnancy, both husband and wife should check their reproductive health 3-5 months before becoming pregnant.
The wife should:
Get vaccinated before pregnancy (especially against rubella because rubella in pregnancy is extremely dangerous ) Genetic testing to screen for genetic diseases before pregnancy Check for secondary infections In particular, women over 35 years of age, if they want to become pregnant (especially if they have never been pregnant), will have to have a very detailed health check because pregnancy at this age often problems: Ovarian failure, premature birth, higher risk of birth defects, placenta previa, preeclampsia. The husband should:
Check reproductive health, detect diseases of testicular atrophy, physiological weakness, weak sperm... Sexually transmitted diseases, especially those that cannot be cured, are extremely dangerous. Vinmec currently has many comprehensive health care programs for couples, pregnant mothers and their unborn babies, including basic pre-marital examination packages, advanced pre-marital examination packages, and maternity packages. . Vinmec has a team of experienced doctors in the fields of obstetrics and gynecology, IVF, stem cells, gene technology, capable of synchronously and comprehensively deploying the most advanced assisted reproductive techniques today.
For specific information about fertility and maternity packages at Vinmec, please contact the hospitals and clinics of Vinmec health system nationwide.
Please dial HOTLINE for more information or register for an appointment HERE. Download MyVinmec app to make appointments faster and to manage your bookings easily.
