There is no clear link between mild turbidity of the amniotic fluid and the number of days the fetus will last, but as the gestational weeks increase, the turbidity of the amniotic fluid may also become more pronounced. The turbidity of the amniotic fluid usually occurs during the near or full-term gestation period, as there are components such as fetal fat, fetal epithelial cells, fine hair and fetal feces mixed in the amniotic fluid during the late gestation period, making the amniotic fluid turbid and opaque, which is a normal process of amniotic fluid development and does not clarify the duration of fetal persistence. If there is no rupture of the amniotic fluid, it is impossible to assess whether the amniotic fluid is contaminated by simply observing the turbidity of the amniotic fluid through ultrasound, and it is necessary to assess whether the fetus is hypoxic and other manifestations in conjunction with fetal movement and fetal heart condition for timely treatment. If the fetus is responding well and the fetal heartbeat is normal when the cloudy amniotic fluid occurs, the pregnancy can continue without special treatment.