am ttc,i have a regular period cycle of 28 days but this month my periods is late,on the 4 th day of my expected periods,i found a brown tinged mucus only when wiped,later the next day(day 5) stil only little brown discharge..and nothing else.my ovulation occurs around 17th a8th day of cycle(varies).have tender breasts,little bit tired,very hungry most times..little gassy feeling..sometimes feel like gagging after having food.there was stomach cramps on the day two of my expected periods and lower back pain.(had sex three days randomly last month..around ovulation time..but it was not planned..)any idea whats going on with me?i usually dont have my periods delayed so much.. :-(