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But the test cannot tell for certain if you are about to have a preterm birth.
Preterm birth is defined as delivery at less than 37 weeks.
These new tests are used to identify women at risk for preterm birth.
Such efforts, however, have not reduced the incidence of preterm birth.
Now, half of preterm births occur in women with no known risk factors.
Late preterm births (34 to 36 weeks) face higher risks of medical problems, including death.
Working long hours was not significantly associated with preterm birth, according to the authors.
Also, night work has been linked to preterm birth.
Very few premature infants will survive preterm birth at 23 weeks.
Preterm birth is among the top causes of death in infants worldwide.
However, no matter how careful you are spontaneous preterm birth can still occur.
Extremely preterm birth is now known to interfere with normal brain development.
But the new study found that black women still had higher rates of preterm birth even after accounting for all these variables.
Learn more about preterm birth and how you can prevent it:
Back in 1981, the preterm birth rate was 9.4%.
Even a relatively small increase in the risk of preterm birth is important, Mozurkewich says.
The rate of preterm births declined for the fourth year in a row.
Preterm birth is the leading cause of newborn deaths worldwide.
The use of 17-hydroxyprogesterone caproate in pregnancy to prevent preterm birth has a long history.
In fact, the cause of 50% of preterm births is never determined.
Women with vaginal bleeding during pregnancy are at higher risk for preterm birth.
Health policies that take these findings into account can be expected to reduce the rate of preterm birth.
Preterm birth: babies are born less than 37 weeks of their full gestational age.
Marital status is associated with risk for preterm birth.
However, delivery around 26 weeks is associated with life-threatening complications of preterm birth.
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