There are actually quite a lot of reasons why your car insurance rates may rise. But your agent may have neglected to inform you of these reasons when you first signed up, or you may have forgotten them over the years.
Your body gets rid of the mucus plug typically between 37 and 42 weeks of gestation. It can even happen as late as right before delivery! Some women though can lose it earlier in the pregnancy, and again, the body will create more mucus to protect your baby.
Losing your plug of mucus can be an exciting thing because you know that your body is doing something to prepare. Just don't get your hopes up that labor is coming right away. Labor could be hours away, days, or even weeks. Your cervix dilates gradually, and it is this opening that causes the plug to dislodge.