The secretion in vaginas can cause vaginal discharge. This is a normal thing, but pay attention to what the discharge looks like, because not all discharge is okay. Normal discharge is clear, cloudy white, or yellow, against clothing. It can be thin and stringy or contain white flecks. The appearance of discharge is affected by what is going on with your body at the moment, whether it be pregnancy, arousal, menstruating, or certain medications, such as birth control.