Planning for pregnancy. Should i do.

Hello, My last lmp was 30th jan, my cycle is 24-28 days. Although i am trying to conceive, we started intimation after 10days of period. I started milky white discharge from 12-13 days earlier of my period date i,e 30th feb, might it be 24,25,26th feb. From last three four days i am having backache and lower abdominal pain which comes and goes. Also headaches for short while which comes and goes.leg pain. Feeling tired for nothing. I do not take any medicine for pain. But i am unable to understand why this milky white discharge comes from vagina sometimes quantity is less or more. No itching no burning. I use V-Wash for personal hygiene. I always wash my vagina after having pee with water. Every morning i feels my period is coming. Pl let me know what should i do.