 Sue goes to the doctor to find out the sex of her baby , accompanied by Emma ( Jayma Mays ) and Will . The doctor says that Sue is having a girl , but her amniocentesis results show " irregularities " . Sue later tells cheerleader Becky ( Lauren Potter ) , who has Down syndrome , that Sue 's baby will be " just like her " ; Becky advises Sue to learn to be patient . Sue tells the glee club she will moderate her harsh coaching methods as long as they give her their all . 
