It is generally normal that the fetus has not yet started at 38 weeks of pregnancy. Between 37 and 41 weeks of pregnancy, labor may occur naturally at any time, and all fetuses at this gestational week are full-term, so there is no need to worry too much. Pregnant women should take care of their rest and make good preparations for labor, as the fetus may start at any time. At the same time, she should pay attention to monitoring the fetal heartbeat and fetal movement, and if there is any abnormality, she should deal with it in time, and go to the maternity checkups on time. Of course, pregnant women can also promote fetal mobilization through appropriate exercise, as follows: 1. Exercise: for example, morning and evening walks, which can prompt the pregnant woman’s body to secrete oxytocin, thus promoting fetal mobilization. In addition, appropriate climbing stairs, do simple housework, can also promote fetal mobilization. However, attention should be paid to moderate exercise, if the pregnant woman appears fatigue, should immediately stop exercise, to rest, in the exercise is best accompanied by family members, to avoid accidents; 2, nipple stimulation: can be under the guidance of the doctor hot compresses as well as massage the breasts, to stimulate the body to produce contractions and speed up the process of labor. Pay attention to observe whether there are regular contractions, abdominal pain, redness, water breakage, etc. Once such symptoms appear, it means that labor is imminent and you should immediately go to the hospital to wait for delivery.