Pink Tinged Dishcharge

Nanya • Pregnant with #2 after 10 years.
So I was cramping went to the bathroom and felt a lot of thick discharge. Then I wiped some more and found some pink tinged discharge.
Called Dr. Office asked my symptoms and didn't seem to concerned, they said take it easy and if more comes then to come  by L&D. 
Any one else been through this I'm 32 weeks.