ReachMD is an XM Satelite Radio channel geared toward medical professionals. They discuss a wide variety of topics on their show and have a website where much of the radio content is archived. This podcast is an interview by a primary care physician with Dr. Robert Hatcher (of Contraceptive Technology fame) about emergency contraception.
If you are providing emergency contraception to sexual assault patients, this is a great overview. It includes an interesting discusion about the controversy surrounding how emergency contraceptives work. The podcast also touches some on abortion and safety issues (at ~11 minute mark).
Access to the podcast is free, but does require registration with the website. Total run time: 13 minutes.