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...frustration on everybody's part is that no one thing can be fixed to make the rate drop precipitously," says Dr. Laura Riley, medical director of labor and delivery at Massachusetts General Hospital. "Multiple things need to be investigated, and multiple things need to be fixed...
...biggest contributor to the high premature birth rate is the rate of so-called late-preterm births. About 70% of babies born too early in the U.S. are born between 34 and 37 weeks. There are many reasons for these early deliveries, making it particularly difficult to target one or even a few factors and address them head-on. The increase in multiples - twins, triplets or more - is one contributor. The rise in assisted reproductive technologies, such as in vitro fertilization, is another; these techniques are associated with both an increased risk of multiples as well as a higher risk...
...births were preterm. Those figures, which have remained constant in recent years, also earned the U.S. a D last year, when the March of Dimes began compiling its report card. The objective, set by federal health experts in the Healthy People 2010 program, is a preterm birth rate of 7.6%. Worldwide, the preterm birth rate is estimated at 9.6%, accounting for 12.9 million babies per year. "Preterm birth remains a very intractable problem," says Dr. Jennifer Howse, president of the March of Dimes Foundation. "It does not surprise me that we are not seeing any change...
...rate of preterm births, which measures the proportion of babies born before 37 weeks' gestation, is a reflection of a number of factors, both biological and cultural. Starting in 2008, the March of Dimes began tracking three of the major contributors to the high preterm birth rate - lack of insurance among women of childbearing age, rates of cigarette smoking and the rate of babies born preterm, but at the tail end of pregnancy, between 34 and 36 weeks...
...encouraging signs that things are moving in the right direction. In 33 states, the percentage of women who smoked dropped from last year; the percentage of insured women of childbearing age with health insurance increased in 21 states; and in a quarter of states, the late-preterm birth rate declined since...