Spotting but no period?

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I had a tiny bit of pink when I wiped Thursday night. So I assumed my period was coming. Friday morning I didn’t have anything but was cramping so I put in my menstrual cup. It was empty both times I took it out. It is still empty today. Is it still coming? Is that a normal thing to happen. This will only be my third period after having my 8 month old so I can’t remember what periods are like. Help?