Many women take the delayed menstruation as an important basis to determine whether they are pregnant or not. In fact, a delayed menstruation is not necessarily a sign of pregnancy, but an early or delayed menstrual cycle of one week is considered normal. So, how long can I postpone my period to take a pregnancy test? How long can I test if I am pregnant? How long can I postpone my period to take a pregnancy test? More than 7 days! If you want to know if you are pregnant, you can take a pregnancy test after 7 days of postponement of your period, but it is more accurate when it is about 10 days. However, this time varies from person to person and there is no accurate statement, but it is certain that the longer the time of conception, the higher the accuracy of pregnancy test. 1. Women generally have a menstrual cycle of 28 to 30 days. It is still normal to be about 7 days early or late, and the length of the cycle varies from person to person. However, if you do not have your period after 7 days, you are considered to have a delayed period. There are two main reasons for delayed menstruation, firstly, pregnancy and secondly, menstrual disorders. 2. Delayed menstruation is not necessarily pregnancy, but it needs to be analyzed according to each person’s different situation, and even if no contraceptive measures are done, there is a possibility that conception is not successful. In terms of the causes of delayed menstruation, the first reason to consider is pregnancy, but of course, after excluding the possibility of pregnancy, we need to consider other reasons, such as endocrine disorders, gynecological diseases, etc. 3. You can take a pregnancy test by yourself after your menstrual cycle has been delayed for more than a week. However, there is a certain error in the early pregnancy test, which may be due to the problem of your own operation or environmental problems. Generally speaking, the accuracy rate of the early pregnancy test paper is 50% to 70%, therefore, the early pregnancy test paper alone cannot fully determine the standard of whether a woman is pregnant or not, and a specific ultrasound examination is still needed to confirm the diagnosis. In conclusion, the time to take a pregnancy test is: the earliest: 6 days after conception, i.e. 6 days after intercourse. The most reliable: 11 days after conception, i.e. 11 days after intercourse. The most accurate: ultrasound at around 5 weeks of pregnancy. What are the ways of pregnancy test? 1.Pregnancy test/early pregnancy test A pregnancy test stick or early pregnancy test is the preferred way of pregnancy test for many women. However, although this method is quick, it may not be accurate. Its accuracy rate is only 50%-70%, and it is easy to deviate due to improper operation methods or environmental factors. Generally speaking, the most accurate results are obtained by using early pregnancy test strips and testing the first urine discharge in the morning. Pregnancy test sticks can do a simple and rough test, but they are highly susceptible to the influence of drugs and other factors. Therefore, self pregnancy test needs to be combined with your own condition, such as whether you have nausea and vomiting, fatigue and weakness, frequent urination, breast swelling, paranoia, drowsiness and other discomforts, and you should not trust the self-testing tools completely. 2.Urine test One week after menopause, you can go to the hospital for a urine test, which is more accurate than the home self-test. If the test result is positive, it means pregnancy, and vice versa. The urine test is mainly to check the HCG level in the urine, and HCG not reaching sufficient amount will affect the test result, so the test needs to be done after one week of menopause. It is also because the HCG content itself is affected by many factors, so the accuracy of the urine test does not reach 100%. The blood HCG test is usually performed 9 days after the day of fertilization, which is more accurate than the urine test, because the blood test focuses on the concentration of HCG, while the urine test detects the HCG containing a specific value. The ultrasound test is usually performed 45 days after the day of fertilization, and is the most intuitive and accurate way to detect pregnancy, as it can also accurately determine the development of the fetus and the position of the placenta, which is also a highly trusted way to test pregnancy. Among the above 4 types of pregnancy tests, it is worth noting that women with irregular menstrual cycles should observe their body temperature and breast changes more often. To know clearly whether you are pregnant or not, an ultrasound test is the most reasonable and accurate way.