“Grey’s Anatomy” has long championed women’s rights and female leadership on and offscreen. Not only does the long-running hospital drama cover contentious topics like abortion, but it also offers women on the show a chance to expand their roles behind the scenes. Kim Raver is the latest cast member in that spotlight, playing both the new hospital chief in front of the camera and a first-time director behind it. Raver, who portrays surgeon Teddy Altman, has directed “Training Day,” an episode airing Thursday with a storyline that discusses reproductive rights.