When Susan is sitting on the porch talking to Julie, her feet switch from being on the first step to being on the ground in front of the steps multiple times between frames.
Due to health care privacy laws, no doctor would be able to tell Susan that Julie was a patient, much less there for birth control.
When Austin and Julie Go to see Edie about getting the Pill, As Edie is pacing in front of her living room window, Lighting, Crew and the boom pole is reflected in the window