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, ...

A mucus plug is a formation of mucus in the cervical canal meant to protect the cervix from bacteria and infection. As labor approaches, you will lose your mucus plug. This may happen several hours or ...

Sinusitis is an inflammation, or swelling, of the tissue lining the sinuses. Sinuses make mucus, which keeps the inside of your nose moist. That, in turn, helps protect against dust, allergens, and ...