Results:The prevalence of pregnancy with heart disease was significant difference between different level and economic levels area.
结果不同经济水平与不同行政级别的地区，妊娠合并心脏病的发生率有显著差异。
Results:The prevalence of pregnancy with heart disease was significant difference between different level and economic levels area.
结果不同经济水平与不同行政级别的地区，妊娠合并心脏病的发生率有显著差异。
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