My period was due.. yesterday prior to that.. I started spotting on the 27th it stopped ..( Yesterday).. The first two days 27,28th it was light pinkish bleeding..and the last two days 29,30th it was a ..dark brownish bleeding no need of a pad... still waiting on my period...please help I tested negative on the 19,&24th was it too early...could I be pregnant now...do to implantation bleeding....????