My boyfriend and i have been trying to get pregnant for almost six months now. So my ovulation date was apr 9th and we had sex on the 5th, 6th, and the 7th. My period is suppose to come on the 24th which is tuesday. So wednesday night i started spotting and on thursday it had turned dark red/ brownish. My period has never started more than five days early. Could this be implantation bleeding or an early period?