A 2 weeks old infant girl has bilateral swelling of the breasts, with a milky discharge from one nipple. The best course of action is ? A) preform ultrasounography on the affected breast to role out abssess B) begin antistaphyloccus antibiotic C) reassurance the parents that the swelling is due to maternal estrogen and should soon subside D) obtain blood culture and CBC E) A,B & D