pms cramps and bfp ?????

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Please help a girl out. i am so confused and just need some verification of what this might be ?. so my af was due 4 days ago. pretty much i’m 4 days late. and i have period like cramps .. can it be coming or did anyone get here cramps before they got their bfp ?? currently ttc by the way ! 😭 this is frustrating bc i don’t know what this can be . 🤦🏻‍♀️🤦🏻‍♀️