The length of the cervical opening depends on the time of the pregnancy, e.g. 2 fingers in the third trimester and 5 fingers in the fifth trimester. Normally, if the fetus is in labor, it is necessary to open ten fingers, about ten centimeters. When inducing labor in the middle trimester, usually the fetus is not yet fully developed, and depending on the size of the fetus, the cervical opening can be opened to the appropriate length. For induced labor in the smaller months, 2-3 fingers are usually enough to expel the fetus, and if the pregnancy is relatively large, 4-7 fingers are usually needed. Before induction of labor in the middle trimester, injections will be given as well as oral medications to promote uterine contractions. It is recommended to go to a regular hospital for the appropriate induced abortion surgery. Before the induced abortion surgery, you need to undergo a number of examinations, including checking the physiological condition of the body and whether it meets the conditions of the surgery, and so on. After induced abortion, we should pay attention to rest, enhance nutrition, promote the early recovery of the body, but also regular review, to avoid leaving sequelae.