A positive urine pregnancy test does not confirm pregnancy and false positives cannot be ruled out. Women who usually have sex, after intercourse through the urine pregnancy test results of positive, accompanied by menstruation does not come with the situation that the possibility of pregnancy is greater, but not yet can be confirmed. Positive urine pregnancy test results do not exclude the possibility of error, positive test can not be diagnosed, you can go to the hospital for blood HCG, ultrasound, blood HCG test results are greater than the reference value, ultrasound examination of the uterus has a gestational sac deposited, can be diagnosed as pregnant. Urine pregnancy test at first try to choose morning urine to test, urine HCG concentration is higher, the test results will be more accurate. In addition, after pregnancy, women’s menstrual period suspension does not come, pregnancy 35 ~ 42 days may have early pregnancy reaction symptoms, such as nausea, vomiting, drowsiness, frequent urination and other symptoms, but is not absolute, the specific varies from person to person.