MP14-07 COMPARATIVE RADIATION EXPOSURE FOR PREGNANT PATIENTS WHO REQUIRED INTERVENTION FOR SYMPTOMATIC NEPHROLITHIASIS. (May 2022) - Lyon, Madison; Sun, Alec; Shah, Anup; Llarena, Natalia; Bennet, Carrie; Sivalingam, Sri; Calle, Juan; Zampini, Anna; De, Smita