Yesterday It was light pink redish when I wipe..it stop then came back.a few hours later.plus I had cramping too.the next day it came down a little more but was a red color like a regular period..cramping again and a little dizziness.I was also 3days late and was cramping a week ago and dizziness.my period is not ever like this.what can it be?is it possible I can be pregnant?also today I had pains in my lower back.