This is an automatically translated article.
Using a pregnancy test is the fastest and simplest way to help you determine if you are pregnant or not. However, “when does a pregnancy test work?” or “when should a pregnancy test be taken to get an accurate result?” is the concern of many users.
1. What is a pregnancy test?
Pregnancy test is a rapid pregnancy recognition aid widely used around the world. They are a qualitative test device that helps determine the concentration of hCG hormone - the hormone secreted only during pregnancy in the urine of women.
Pregnancy test was born in 1970 in the US and is widely available. However, 1 year later, this product was banned from sale and it was not until 1977 that the pregnancy test was approved for sale in the market and became popular around the world as it is today.
Through years of research, improvement and production, pregnancy test strips are more and more perfect. Currently on the market there are two types of test strips: traditional paper pregnancy test strips and electronic pregnancy test strips with nearly 100% accuracy.
The structure of the pregnancy test strip consists of 3 parts including: Area in direct contact with urine, area for results and comparison area. The principle of operation of the pregnancy test is very simple, inside the stick contains a substance that helps detect the concentration of hCG in the urine of pregnant women. When the user inserts the area of the paper containing this substance into the urine, if hCG is present in it, the result will be reported to the test area.
Que thử thai là dụng cụ hỗ trợ nhận biết có thai nhanh chóng được sử dụng rộng rãi trên toàn thế giới
Step 1: Collect urine into the container available in the box ; Step 2: Dip the specified portion of the test strip into the urine cup; Step 3: Wait about 5 minutes and see the result.
Trắc nghiệm: Bạn có hiểu đúng về dấu hiệu mang thai sớm?
Các dấu hiệu mang thai sớm không phải chỉ mỗi trễ kinh mà còn có rất nhiều dấu hiệu khác như xuất huyết âm đạo, ngực căng tức,… Điểm xem bạn biết được bao nhiêu dấu hiệu mang thai sớm thông qua bài trắc nghiệm này nhé!
2. When do pregnancy test strips work?
This is a question that many women are interested in, especially women who are wishing or doubting themselves to have a baby.
In fact, many female friends do not know when pregnancy test strips will have accurate results, usually after 7 days of sex and without using any preventive measures, female friends can use the test. pregnancy test. However, in many new cases of pregnancy, the hCG level is not enough for the test to give results, so women should use a pregnancy test when they notice the following signs:
A missed period is the first sign of pregnancy. The first and most recognizable: If you track your menstrual cycle every month, after 5-7 days of delay, you can buy test strips and use them. However, if you can't determine your menstrual cycle, you can try 1 month after your previous period. In addition to the reason of being pregnant, many different reasons such as stress, diet can also cause a missed period, so you need to review your health before assuming that the missed period is due to pregnancy. Abdominal cramps are also one of the telltale signs of pregnancy. If this happens often, you can buy test strips to use. Breast tightness is caused by the amount of estrogen and progesterone produced to support the development of the fetus. Your breasts will become more sensitive, tight, your nipples darker, and even veins will appear more prominent. Some health conditions signal pregnancy such as more fatigue, loss of appetite, frequent urination and nausea. If you notice any of the above symptoms, you can buy a pregnancy test to use. Early detection of pregnancy will help you prepare mentally as well as have the best care plan for yourself and your baby.
Nhiều bạn nữ không biết que thử thai thử khi nào thì có kết quả chính xác
3. What do pregnancy test results reflect?
3.1 Negative result Negative result with only 1 pink line on the test strip, this means you are not pregnant. However, if you are still in doubt with this result, you can wait 2-3 days to try again, if the result is still one line, it confirms that you are not pregnant.
3.2 Positive Result Positive result with 2 pink lines appearing on the pregnancy test strip. This means you are pregnant. At this time, to know the exact status of your pregnancy, you can go to a hospital or reputable medical facility to check.
In addition, some cases are positive, but on the test strip, there is 1 dark pink line and 1 light line. This is actually not enough hCG hormone to make the pink line darker. You can try again in a few days to confirm the results or go directly to the hospital to check.
If you notice that the pregnancy test has 2 lines but you still don't get pregnant, it may be because the test strip has expired or you did it incorrectly, leading to a false positive.
3.3 Other cases If you take a pregnancy test but no lines appear on the test strip or each time you try again, the result is different, it could be caused by:
The pregnancy test strip has expired; Improper use of pregnancy test strips; Drinking too much water before a pregnancy test causes hCG hormone levels to be diluted; Having an ovarian cyst gives a false positive. 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.
