is this normal 30wks

terrible like tightening pain up the right side of my back.. its making me need to kinda lean all my weight of it because it feels like itll go into a tight cramp.. i expericed the pain before but in a different place ..after falling out a 2nd floor window a year back.. i just need some advice to what could be causing it.. or what to so about.it ( it only started 15mins ago and its still hurtin)

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