Is cramping really that normal in early pregnancy?

Samantha
So I'm only 3 weeks 3 days pregnant (10dpo) and I've had cramps all day today. They aren't horrible but definitely annoying and I feel like I'm getting my period any minute. I'm so paranoid. I had a chemical 2 months ago and this is just how I felt. Is this normal?  My first positive was yesterday and today I took another and it was definitely darker so I think that's a good sign. Here's my tests. Top yesterday bottoms today

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