Spotting help dr or not ??

An
Last night I was having small cramping I went to the bathroom and when I wiped I had light blood on my paper in like 2 hours it went to light pink to nothing . But today ALL day I've been having dark brown spotting when I wipe . 
My question here , should I go to the ER since its been all day ? Or is it normal to have these symptoms . I've been pregnant twice and never had spotting before . This is new to me . 
Sorry for the tmi , thank you in advance 

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