i had my periods on july2nd and i started spotting around july 16th, i had assumed it to be ovulation and didnt work on it much. I continued to spot and then on july 19 i bled lil like flow and later on july 24th passed what was like jelly like blood clot that simply rolled on my pad.I bled the next day but with no clot and it stopped. tested negative.. what was happening?