Brown spotting/discharge at 5 weeks 4 days

Sorry for the TMI - but is this normal? Has anyone else experienced this?

Brown discharge

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Brown spotting at 5 weeks into pregnancy..*PIC*

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Sorry if this is TMI - I m 5w 4d and spotting brown

Brown spotting 5 weeks pregnant!?! : r/pregnancyproblems

Brown Discharge In Early Pregnancy 4 Weeks

Took Plan B and not sure if that's what causing this brown