For examples, check out these pictures of what a mucus plug looks like. Some women expel the entire mucus plug at once, according to the American College of Obstetricians and Gynecologists (ACOG ...
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What Is a Mucus Plug?
A mucus plug is a thick clump of mucus that forms a seal at your cervix (the opening to your uterus) during pregnancy. It protects the fetus from bacteria and other pathogens during pregnancy.