Last period was March 2,2013 my cycle is 26 days, I am 14 days late on April 7 I was spotting only when i wiped not enough for a pad it was light pink as well as on April 8. April 9 was more of a brownish and pinkish color only when i wiped than it stopped  took a pregnancy test April 8 came out negative. My period is always on time not stressing what can it be or when should i check