Ok so here's the deal
Took Plan B One Step on August 2nd got period when expected on August 18th with very bad cramps.
-Unfortunately had to take Plan B One step EC on Sept 5th same day of intercourse and got period one day earlier than expected (14th rather than the 15th of september)was a bit lighter also, Took multiple pregnancy test since then (about 20 lol), some even doctor's test, all negative, even a negative blood test at five weeks past intercourse.. It's now been six weeks and my october period came, one day early also and light took another test afterwards, still negative.
-In the days leading up to my October period i have been severly stressed and worried to the point of an almost mental break down been back in forth to the doctor, all assuring me i was fine since i had a period after the plan b one step and had all negative tests.(Stress could have possible caused the light October period)
-Since the plan b, it seems like my cycle length has changed to 27 days instead of 28.