My period is three days late, and I’ve had only protected sex during this last cycle. I’ve been using a ph balancing feminine wash, as well as starting to become more involved in my job. My diet has gotten a little bit worse with the holidays rolling up. Would any of these things cause my period to be late? I know stress is a factor, but I haven’t felt myself becoming as stressed as I have been in the past. There’s not a chance I could be pregnant?