New findings suggest that bacterial vaginosis increases the risk for miscarriage after 13 weeks of gestation but not before, according to a report in the December 7, 2002, issue of the British Medical Journal. The study involved 1216 pregnant women, 174 of whom had bacterial vaginosis. A total of 121 women experienced miscarriages before 16 weeks of gestation.
Women with bacterial vaginosis had a 1.15 relative risk for miscarriage before 16 weeks, compared with women who were not infected. Further analysis, however, showed a particularly high relative risk (3.45) for miscarriage between 13 and 15 weeks of gestation.
One study linked multiple pregnancies to an increased risk of developing atrial fibrillation later in life, and another investigated the association between premature delivery and cardiovascular disease.
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