My period work on a 29-30 day cycle. I was due my period today, all that came was very very light blood for maybe an hour with EWCM. its now stopped. what the likelihood of implantation bleeding on the day of my period? slim im sure. however usually when i start my period i bleed really heavily and it NEVER stops like this. Im having really bad period like pains though. I also had thrush this last week, jus clearing up now. My breasts arent sore (usually they are for my period but not this time). i took a test this morning and it came back negative. any ideas? do u think there is a chance or probably not? thanks!