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.
If you are in true labor, contractions will begin somewhere between the 38th - 42nd week of pregnancy, but usually somewhere around the 40th. Some women lose their mucus plugs and then their labor begins. - Easy to use Contractions Timer with contractions log print out.