How soon you will give birth after 38 weeks of shallow labor varies from person to person and there is no definite time. Generally, a pregnant woman will go into labor around 40 weeks of pregnancy, but the timing may be earlier or later. How soon after pelvic insertion labor will occur tends to vary from person to person. For first-time pregnant women, labor may not occur until 2-3 weeks after the fetus has entered into labor; for women who are in experienced labor, labor may occur close to the time of delivery, and should be analyzed on a case-by-case basis. At 38 weeks of pregnancy the fetus is full term and labor is possible at any time. Pregnant women need to observe their personal situation more often, if there is bleeding, abdominal pain, water breakage and so on, they need to consult a doctor in time to wait for labor. Pregnant women also need to observe the contractions, if the contractions are more regular, it may also mean that labor is imminent. You can move around properly before the labor, which will help you to have a smooth delivery.