your body is producing more estrogen and there is more blood flow going to your uterus so this makes our uterus make this white discharge.
Increase in discharge is definetly a symptom of pregnancy it will be there until the end of ur pregnancy. so dont be alarmed =)
Its normal. It's called leukorria. Your going to be dischargimg your whole pregnancy. It shouldn't have an odor if so it could mean an infection.