Old blood or implantation bleeding??

TMI pictures are below. I’m suppose to get AF on 4/22/18 and had brown spotting on a panty liner. What do you guys think??

Implantation bleeding ?? TMI PHOTO - Trying to Conceive, Forums

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I went for my first ultrasound yesterday and doc said I am 5 weeks they can only see yolk sac next week they called again for ultrasound and today I got this

Implantation bleeding? Tw: pic with brown blood - Trying to Conceive, Forums

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TMI Implantation bleeding? Graphic picture

Old blood or implantation bleeding??

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How to Recognize Implantation Bleeding

My period was 5 days late. I woke up and there was brown blood. Is this implantation bleeding or a late period? I have had fatigue, and cramps as well. - Quora