Pregnancy test paper if the test comes out double bar, the accuracy rate is relatively high, there is also a certain false positive rate; if the test comes out negative or weak positive can not rule out pregnancy, you need to test several times or go to the hospital for further examination.
1. pregnancy test paper double bar: pregnancy test paper if the test in 3-5 minutes two bars of the same color, then this situation usually indicates that the pregnancy, the accuracy rate is higher. However, false positives are occasionally seen.
2. Negative, weak positive: negative or weak positive pregnancy test can not rule out the possibility of pregnancy. It is possible that the time after sex is short, and the human chorionic gonadotropin in the urine is not enough to make the pregnancy test stick double bar, you can wait for 7-10 days after the wrong menstrual period to test to assess whether you are pregnant. It is best to get a blood test for human chorionic gonadotropin or an ultrasound to confirm pregnancy.
If the result is not clear after the pregnancy test, you need to go to the hospital for further laboratory or imaging tests to confirm the diagnosis if necessary, and you should not blindly use medication without confirming the pregnancy to avoid affecting the health of the fetus.