My Daughter Is 23yrs Old Shes 7months Pregnant.with Her 1st

My daughter is 23yrs old shes 7months pregnant.with her 1st child we had a problem she tried to run after our small dog dog was chasing a pitbull she was and scared now shes feeling light cramps and preasure doctor told us to have her a drink a bottle of water and lay flat down during this time she had 1 bad pain ladted30 seconds have not received another bad pain just alot of preasure.