Dr. Amy

If there's a topic that I don't write about much, it's obstetrics. The reason is that it's not a major area of my interest, and it's not an area where I have as much expertise as I do in, say, cancer or even vaccines. My expertise in cancer comes from my career, of course, and my expertise in vaccines is self-taught through my 9+ years of blogging about it. Ditto my expertise in "complementary and alternative medicine" (CAM), also known as "integrative medicine," about which I know quite a lot now. That's probably why I didn't pay much attention to a study that came out in late January from…