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, ...
What is a mucus plug? Your mucus plug is a thick clump of mucus in your cervical canal that acts as a protective barrier. The mucus plug starts forming around week 7 of pregnancy, and it helps stop ...
What to Expect on MSN
This Is What the Cervical Os Does During Pregnancy
During pregnancy, you’ll discover firsthand all the amazing things your body innately knows how to do to get baby-ready. An important player in all this prep work is the cervical os. Here’s what this ...
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