Painful! Help Please!

Summer

Last night which was 6 dpo, while getting ready to go out and celebrate the new year, I had horrible cramps. It is hard to describe, it felt like a sharp and dull pain all at once.

It stopped me in my tracks and I had to lay down.

It lasted about 20-30 minutes. I fought through it for a few minutes to sit and do my makeup, and it shortly went away.

What could this had been, and should I be worried?