The time to have a normal labor after oxytocin injection can be affected by a number of factors and usually takes 1-3 days, with some pregnant women taking longer. Oxytocin, or oxytocin, is mainly used to promote the contraction of the body’s uterine smooth muscle. During labor, contractions are the main force of labor, and oxytocin injection can strengthen the contractions and shorten the labor process. The time of labor after oxytocin injection is related to the cervical condition of the pregnant woman, sensitivity to oxytocin, the number of deliveries, the size of the fetus, the week of pregnancy, and the entry of the prelude into the pelvis. Usually, pregnant women with good cervical conditions, sensitivity to oxytocin, normal fetus, full-term pregnancy, and in-utero labor, as well as women with experienced labor, may be able to deliver on the same day, while pregnant women with other conditions may need to be induced for 1-3 days, or even longer. In addition, it should be noted that since too much medication may cause intrauterine oxygen deprivation of the fetus due to strong contractions, the amount of oxytocic injection needs to be appropriate and the fetal heartbeat needs to be closely monitored after application.