implantation bleeding

6 days before period and i have very light spotting / pinky discharge anywat to kko if start of period or implantation bleeding this is day 1. cycle this started on day 25 ( im a 33 day cycle) it was just very very light spotting /pink discharge/ barely noticable on toilet paper/underwear. sound like implantation or before a period. its all stopped now. what happens to your cervix during implantation i kno periods cause cervix to go low and pregnancy high. mine is high and soft but i know that it can drop at any time for period but dows this seem positive when would u test . light spotting happened sat afternoon - sun morning then stopped. peripd is now 5 days away