Test to see if you're a good candidate for in vitro (IVF)

This is important news.  I remember friends getting more and more IVFs, no one telling them that it was unlikely it would work (age, health issues).  Now scientists have discovered a test that gave fairly accurately give you and idea
From the San Francisco Chronicle:

Stanford University researchers have developed a test to determine whether a patient is likely to conceive a child through in vitro fertilization - a breakthrough that could save women tens of thousands of dollars in fruitless procedures, as well as the heartbreak of failed treatment.