Menstruation delayed 12 days pregnancy test stick is a bar

Menstruation delay 12 days pregnancy test stick is a bar, may be really not pregnant, pregnant but not detected, other factors affect menstruation and other reasons. 1. Really not pregnant pregnancy test stick detection principle is to determine whether pregnant by detecting HCG levels in urine. If there is no pregnancy, there may be a bar result. However, it should be noted that there is also a certain false negative rate of pregnancy test, such as premature detection time, improper operation, etc. may affect the accuracy of the results.2. Pregnancy but not detectedSometimes although pregnant, but due to the short pregnancy time, HCG level has not yet risen enough to be detected by pregnancy test, so it may show negative. In addition, if abnormal conditions such as poor embryonic development, ectopic pregnancy, etc., may also lead to low HCG levels and false negative results.3. Other factors affecting menstruation In addition to pregnancy, there are many factors that may lead to delayed menstruation, such as endocrine disorders, mental stress, overwork, environmental changes, the impact of certain drugs, etc. These factors may interfere with the normal menstrual cycle and delay menstruation. In view of the above, the following measures are recommended. First, you can use a pregnancy test again after a few days, or go directly to the hospital for a blood HCG test to determine whether you are pregnant. The accuracy of the blood test is relatively high. Secondly, if pregnancy is ruled out, you need to pay attention to your own life state, try to adjust your life rules, maintain a good mentality and relieve stress.

If menstruation does not come for a long time, you should seek medical attention in time, carry out relevant examinations, such as sex hormones, etc., to clarify the specific reasons for menstrual delay, and carry out targeted treatment and conditioning under the guidance of doctors.