A minor amniotic fluid rupture in the 18th week of pregnancy requires prompt medical attention through fertility preservation treatment, and most of the results are still good. However, if the rupture of the amniotic membrane is large and the loss of amniotic fluid is very serious, it can not be healed, the specific need to follow the doctor’s advice. The fetus is not yet fully developed at 18 weeks of pregnancy, and if it is delivered early, the fetus will not survive. If the amniotic fluid breaks at 18 weeks, it is important to seek medical attention in time for examination. Generally minor water rupture, actively cooperate with the doctor’s treatment, most of the results are still good. During this period, the pregnant woman must keep a good state of mind and not be too nervous. However, if the rupture of the amniotic membrane is relatively large and the loss of amniotic fluid is serious, the treatment in this case is not very meaningful, and it is usually recommended that labor be induced in a timely manner. Because it is likely to lead to infection in the uterine cavity, which can threaten the life and safety of the pregnant woman. During pregnancy, you must pay attention to more rest, do not engage in strenuous exercise, and be careful not to go to crowded places, to avoid the pregnant belly was hit.