How to prevent premature birth effectively in the third trimester

In late pregnancy to effectively prevent premature birth, some need to do vaginal secretions check. If vaginal secretions check the performance of inflammation, some also need to be treated as soon as possible, or some are to be treated after labor, because some inflammation is likely to cause bacterial uplink, causing membrane infection, causing premature rupture of membranes, and causing premature birth problems. There are also people who suffer from premature labor because of overwork, or too much exercise, or because of cold food, cold, etc., or diarrhea that causes excessive uterine contractions. There are also premature labor that has no cause at all. Not all premature labor causes can be found.