Hi,i'm A 14 Years Old Female. There's Some Sticky Yellowish-like

Hi,i'm a 14 years old female. There's some sticky yellowish-like liquid keeps oozing out from my anus,ever since i was 12. Sometimes it turns to pale-like colour and sometimes it also turns into a clear liquid. I don't feel any pain when they oozes out. I have never get sexually aroused. I get confused between sperm and that pale-like liquid. What's the cause and what should i do?