Implantation bleeding ? Or ovulation?

So Its 12 days after my period, my husband and I have been trying and I’m 3 days before ovulation... for the last two days I’ve had pinkish blood when using the bathroom. Today I woke up with discharge and blood in it and has been the same all day. I have cramps and feel nauseous. Has anyone else experienced this? Also what could it be implantation bleeding or ovulation bleeding ?