Sharp pains in uterus 10 weeks

Yesterday morning I had super sharp lightening like pains in one I would assume is my uterus, I’ve had this here and there once or twice a day but this was constant every few minutes. I read online it could be my uterus contracting due to dehydration so I drank ALOT of water and they seemed to lessen and eventually stop by about 9pm last night. My OB wasn’t concerned as I wasn’t bleeding of course. Has anyone experienced this before? I always thought round ligament pain was only light cramping/back aches not sharp pains!

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