In Delivery Rooms, Reducing Births of Convenience - NYTimes.com
"Here’s a paradox, though: Despite the fact that unnecessary C-sections produce worse outcomes for more money, America’s C-section rate is growing fast — it has risen 50 percent in the last 10 years and now is used in a third of all births. This is not because of aging mothers or assisted reproduction — these make up a small fraction of births. Nor is it due to rising obesity — the two trends don’t track each other. The biggest increase in C-section rates is among women under 25. Most of the increase has come in low-risk births..."