Regular contractions, small amount of vaginal bleeding, discharge of cervical mucus pessary and slight pain in the lower abdomen will occur in most cases after insertion of medicine to soften the cervix to induce labor, but the specific symptoms will vary from person to person. 1. Regular contractions: regular contractions will occur after the insertion of drugs to soften the cervix to induce labor, which will cause the cervix to gradually shorten and disappear, and the mouth of the uterus to gradually open up. 2. Small amount of vaginal bleeding: after insertion of drugs to soften the cervix to induce labor, the fetal membranes near the endocervix will be separated from the uterine wall, and the capillaries will be ruptured, resulting in small amount of vaginal bleeding. 3. Cervical mucus plug discharge: after inserting drugs to soften the cervix to induce labor, the pregnant woman’s body will secrete oxytocin, which will lead to the uterus is more sensitive to contraction, resulting in local softening of the cervix and the discharge of cervical mucus plug. 4. Slight pain in the lower abdomen: the insertion of drugs to soften the cervix will promote uterine contractions, resulting in a slight pain in the lower abdomen. Some pregnant women will have reaction after the insertion of pills, but some pregnant women have no reaction, the specific situation varies from person to person. However, it is necessary to pay attention to the observation, if there is any discomfort, it is recommended to consult a doctor in time.