|Pregnant. (Fotolia) |
Getting pregnant less than 18 months after giving birth increases the chances a woman will go into labour early, a new study says.
Researchers from the Center for Prevention of Preterm Birth at Cincinnati Children's Hospital Medical Center in Ohio looked at the records of 454,716 live births from women with two or more pregnancies during a six-year period.
The researchers looked at interpregnancy intervals (IPI) of under 12 months, 12-18 months, and women who got pregnant after 18 months.
Mothers with shorter IPIs were more likely to give birth prior to 39 weeks gestation when compared to women with "optimal" birth spacing of more than 18 months, the researchers found. The rate of preterm birth before 37 weeks gestation was higher in women who conceived less than 12 months after giving birth.
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