Desperate need for a answer

Amanda • mommy of a 6 year old princess now expecting a prince💙👶🏽
Please help me the other day I was driving I got pain through my whole stomach n back that lasted about 10 mins and went away but it was so bad that I was crying and yelling and almost passed out cause it was so bad but by the time I got to the hospital the pain was gone and they had no answers for me. I just had it happen again and it lasted about 15 mins and I'm left with cramping in my lower stomach....