How long does cervical mucus plug open the uterine orifice?

The cervical mucus plug is

a signal that labor is about to begin, but it doesn't mean that the cervix will open immediately. This is just a stage in the body's preparation for labor. At the same time

, different pregnant women may enter labor soon after the cervical mucus plug is discharged, and some women may need to wait for a longer time. In addition to cervical mucus plug, the progress of labor is also affected by a combination of factors such as the intensity of uterine contractions and the condition of the fetus.