There are 1 and multiple uses of electronic pregnancy tests, which are mainly determined by the design of the stick, and this needs to be determined by the instructions of the pregnancy test you buy. However, no matter which electronic pregnancy test is used, urine is used as the raw material for pregnancy testing, i.e., the level of human chorionic gonadotropin in urine is detected to determine whether pregnancy is present. When using the electronic pregnancy test, it should be noted that: 1. the electronic pregnancy test can be used 14 days after intercourse; 2. after waking up in the morning, do not drink water first and collect urine in a clean and dry container; 3. check whether the package of the electronic pregnancy test is contaminated and whether it is within the expiration date, then place the absorbent stick face down in the container with urine for 20 seconds, taking care not to wet the other parts of the electronic pregnancy test, and cover it with the cap after taking the sample; 4. After taking the sample, put the cap on the pen; 4. Put the electronic pregnancy test stick flat and wait for 4 minutes and the result will be obtained, according to which the woman will be judged whether she is pregnant or not. The electronic pregnancy test can usually show on the screen that a woman is not pregnant or pregnant, and you can also use the electronic pregnancy test to know roughly the number of weeks you are pregnant.