Smelling "birthy" ?


I just was wondering if anyone noticed a change in the smell of their discharge prior to labor ? I'm 37 weeks & 4 days & i noticed an increase in discharge. It has a different smell to it. It's an earthy smell. Its not foul smelling. Just different from the normal. Kind of like the way it changes a day or two before a period was to come. Am I crazy or has anyone else experienced this ? This is my second pregnancy. I was induced with my son and didn't go into natural labor and i don't remember anything like this. Thanks mommas !