Even when there's no medical need, many expectant mothers choose to deliver their babies through Caesarean section, a new study says. Research of insurance claims shows out of about 4 million U.S. births, an estimated 80,000 women received preplanned, elective C-sections in 2002, an increase from just less than 63,000 the year before, and while the procedures sometimes can be life-saving, experts have urged obstetricians to reduce the number of C-sections that are not medically necessary.

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