Cervical fluid is produced by cervix because of increased estrogen level, as women reach ovulation stage. It begins from the cervix into the vagina where it can easily view.
Your normal white/clear discharge will turn yellow or dry yellow when exposed to air. Yellow Sticky stuff in my underwear? You’re completely healthy and normal if your discharge is cloudy white, has no odor or has a slightly salty odor, increases in amount. The discharge may vary in consistency from thick and sticky to thin and slippery …discharge that suddenly increases in amount, that is green or yellowish.