my last period was 3/3/13 my cycles are 26 days so i was suppost to get it 3/29/13 which i havent on April 7 & 8 i went to the bathroom i wipped and there was pinkish not enough for a pad than it went away. April 9 i wiped and it was brownish, i am never late or never spotted i took a test on April 8 and test came out negative. do you think i could be pregnant was it implantation bledding