 [ Symptoms ] my 17 5 yo son had henoch schonlein purpura hsp developed severe joint pain so bad he can hardly walk [ Disease ] hi so did we have a period then after the cramping if this is like you say then that would make it after your ovulation day which is around day 14 of your cycle your on day 26 now ok so far so if you did have a period then this is now the start of your cycle so its now been moved all because of plan b ok good luck ps i do not think somehow your pregnant time i think to get on the bc pill much safer remember safe sex is the best sex