A sign that an infection may be causing your green mucus is if it's thick and sticky. The build-up of infectious agents and ...

"Losing your mucus plug usually means your cervix is dilating (opening up) and becoming thinner and softer (effacing)," ...

Green mucus results from an intensified immune response. The green tint comes from an enzyme called myeloperoxidase, which is produced by neutrophils (a type of white blood cell). This enzyme ...