My period date have been crossed by 20 days and i have done test got negative ans and even white liquid is also discharging tell me what to do plz?

Lets see if this is: Accurate: your period is 20 days late. A hpt was negative and you have white discharge. Reasons for missed / late period include: an anovulatory cycle in which no egg is released, marked v or ^ in weight; eating disorder; over-exercising (endurance athletics), travel, significant illnesses, oral contraceptives ; other meds, illegal drug use, breast feeding, hormone imbalances and medical problems.