My period

DR3A

My period is 2 days late. I went to pee and I saw this long sticky thin mucus coming out.. I never saw this before. After I wipe I saw pinkish blood so after that I put a pad on but I haven’t seen anymore blood since then.. I know that I’m not pregnant because my tubes are tied.. I been cramping and having headaches so bad lately but I don’t know what it could be