Your normal white/clear discharge will turn yellow or dry yellow when exposed to air. If it is coming out yellow, then you probably have a bacterial infection and need to see a doctor. Different Types of Discharge: White: Thick, white discharge is common at the beginning and end of your cycle.
After a person ingests food, it takes about six to eight hours to traverse the stomach and small intestine. Transit time through the large intestine, or colon, takes significantly longer, averaging about 40 hours. In men, the food remains in the colon about 33 hours, while in women it remains about 47 hours. When two British doctors researched digestion time in children, they found it was significantly more rapid than in adults, averaging just 33 hours from eating to elimination.
This will usually take 5 to 6 hours. The food  then enters the colon for further digestion and  water reabsorption before defecation. The time from it's entering  the colon to defecation is about 12 to 24 hours.