Help why do I have stomach cramps? I’m not on my period?

I was on period last weekend, it lasted about 4 days. Why randomly I have stomach cramps tonight and stomach is very bloated? I felt 3 times a strong cramp/pain. Why? Or is it due to undereeating and hungry? Is it baby growing? Is it gas?

Help why do I have stomach cramps? I’m not on my period?
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