The price of pregnancy tests varies depending on the place of origin and the hospital. The price of the pregnancy test stick is between 5-20 yuan, the price of the pregnancy test stick is not the more expensive the more accurate the effect, generally speaking, the drugstore sells the pregnancy test stick according to the different places of origin, the brand is different, different channels of importation, the test may have a certain error, it is recommended to go to the regular hospital obstetrics and gynecology clinic for examination, the general hospital’s price of the pregnancy test stick is around 10 yuan, and relatively speaking, the chance of error is very small. For a clear diagnosis, it is recommended to do blood hcg test, relatively speaking, blood hcj test is more accurate than urine hcg. If menstruation is very regular, you can use the first urine test in the morning after a week of delayed menstruation, the pregnancy test stick is to detect the urine sperm and egg combined to form a fertilized egg secreted hcg, that is, the human chorionic gonadotropin, if elevated, you can measure the two lines, even if the second line is very light in color is also positive, suggesting that the formation of a fertilized egg. Menstruation delayed to 40 days, go to the hospital to do ultrasound, the uterus if you do not see the gestational sac will need to go to the hospital to do blood hcg, in order to understand the development of the gestational sac, to see if it is an ectopic pregnancy, if there is abdominal pain, bleeding should be instantly to the hospital.