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随着我国围产医学的发展和围产期保健的逐步加强,围产儿死亡率亦逐年下降。为了给围产儿保健提供有益的材料,现将我院1980年
With the development of perinatal medicine and perinatal care in our country, the perinatal mortality rate has also dropped year by year. In order to provide useful material for perinatal care, now our hospital in 1980