Yeast infection? (TMI PICTURES)

Sarah • 19. Rilee Page ❤️ 8Ibs 1oz, 21 inches long 😍 5.25.15
I treated my self for a yeast infection cause I had all the symptoms. I used the monistat 3 day treatment. I felt better afterwards but now I'm noticing the dis charge again. Is it coming back? Should I call and make an appointment with my OB? I'm 36 weeks. I'm not having itchiness or anything. Just the discharge