The Pregnant Lady is a background character appearing in various episodes. She is sometimes seen during the racing scenes in certain episodes, a few notable examples are "Clothes Call" and "Mellowbrook Drift". She can sometimes be seen in a crowd or walking with her baby in a carriage.
She is tall, has black eyes, brown hair, wears green pants and a yellow t-shirt. She also sports a big round belly, an indication that she's pregnant.