If you’re reading this, chances are you were born in a hospital. It’s long been the location of choice for deliveries — believed by most to be cleaner, safer and more modern. But a funny thing happened between 2004 and 2009. The number of home births rose by 29 percent. Experts aren’t exactly sure what’s behind the DIY birth movement, but they speculate it may be related to cost (delivering a baby at home is about one-third less expensive than delivering in a hospital) and the yearning for a more intimate experience away from rushed and distracted medical personnel.