PMS vs pregnancy symptoms?

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Did anyone else have very similar symptoms to PMS and still end up with a BFP? I had cramping and a little light pink CM yesterday at 8dpo. Currently 9 dpo and AF due in 6 days (1/18). I know this could be a sign of implantation but I had the exact same thing happen last cycle so I am wondering if it is just PMS.

Did anyone else think they were experiencing normal PMS but it was really pregnancy?