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Pediatricians have long been combating the negative consequences of prematurity with ever-increasing sophistication of clinical care. As a result, a vast majority of premature infants have survived and complications of their early birth have been reduced substantially. These successes have not been matched by successes in the efforts to prevent preterm labor and to ensure that pregnancies at risk are carried to satisfactory full-term conclusions. Even worse, since the 1970s, the rate of preterm birth in the United States and in other countries where records are available actually has shown a steady increase, except perhaps in the last 4 years. Moreover, this increase in rate involved most social strata and all ethnic groups. Regardless of the absolute rate, all countries have experienced a continuous linear increase. The United States …
Address correspondence to Michael Katz, MD, 1275 Mamaroneck Ave, White Plains, NY 10605. E-mail: mkatz{at}marchofdimes.com
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