Joyce A Martin1, Brady E Hamilton, Paul D Sutton
1US Department of Health and Human Services, National Center for Health Statistics, Centers for Disease Control and Prevention, National Vital Statistics System, Hyattsville, Maryland 20782, USA.
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In 2002, U.S. birth rates declined, with teenage births reaching a record low. However, cesarean delivery rates hit a record high, and preterm and low birthweight infants increased.
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