Critical Period: Embryology As is well known, a certain organ arises much earlier or later in the embryo than certain others.
How soon after my mucus plug passes will labor begin? Passing a mucus plug is a sign that your cervix is dilating and that your body is preparing for birth. Labor could be hours, days, or even weeks away as the cervix gradually opens. The mucus plug is usually clear, slightly pink or blood tinged in color. It can be stringy mucus or a sticky discharge.
However, you should call your doctor if: 1  Your mucous plug is released less than 36 weeks into your pregnancy; 2  You see bright red bleeding, or more than a tablespoon of blood; 3  You are feeling painful cramps;  You are feeling strong and regular contractions that are coming every four to five minutes; or.