Your body knows how to keep your baby safe during pregnancy, starting with the mucus plug. Learn what the mucus plug is, what it does, and when you'll lose it. Medically reviewed by Alyssa Dweck, MS, ...

In late pregnancy, it's easy to wonder whether every symptom you're having is an early sign of labor. Are you having Braxton Hicks or "real" contractions? Is that your mucus plug or normal vaginal ...

The cervical os (pronounced like “ox” but with an “s”) is part of a woman's cervix. During pregnancy, the cervix helps keep the growing baby in the uterus, even as he moves closer to the cervical ...

Please provide your email address to receive an email when new articles are posted on . 58% of patients had at least one mucus plug. Patients with four or more mucus plugs had a median FEV 1 of about ...