To do abortion clinically need B ultrasound diagnosis, 5-8 weeks of pregnancy, and see the yolk sac, head and buttocks diameter less than two centimeters can do abortion. Whether you choose ordinary abortion or painless abortion, you need to do the following tests in the clinic, the first one is to do routine leukorrhea test mainly to know whether there is inflammation in the vagina, if there is inflammation in the vagina, it is recommended that the inflammation must be cured before you can do the abortion surgery. The second, do blood routine, electrocardiogram, coagulation time of the examination, mainly to understand the basic health status of the body. Thirdly, ultrasound is needed to determine the number of days of intrauterine pregnancy through ultrasound, and to understand whether the days of menopause and the size of the gestational sac on ultrasound match before abortion surgery can be performed.