May i had a cycle.and june no cycle.?

ttc.light haedaches,aches every now then around my not my .i am a 5 to 6 day cycle.start may 27 and with a lil drain june 1.took a p.t. on this moring and its still neg.i haven't being stress about any thing.i have been having a lil slight tooth aches,after may cycle then came june nothing.now it july,i have not done the blood test yet.i have been having creamy white discharge doing the time i suppose to have gotten my cycle in june.still some what of the same this month.wat u think plz hlp..