Bright yellow snot vaginal discharge that comes n goes. Pain during sex. A.F is 2days late. I'm sure it will show. What's causing the pain n discharge?

Infection ; hormones. Some vaginal discharge can be normal. As you go through the month your hormones cause changes in the discharge. In some cases though discharge can be a sign of infection. Causes incluse yeast, bacterial vaginosis, and stds. There are simple tests that can be done in the office to determine if this is normal or not.