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凡此次妊娠对妊妇、胎儿、新生儿有较高危险性者称高危妊娠(high risk pregn-ancy)。为近二十年米联系围产医学渐次作为专题加以探讨的。其目的在提高对此类
Where the pregnancy on pregnant women, fetuses, newborns have a higher risk of high-risk pregnancies (high risk pregn-ancy). For nearly two decades of contact with perinatal medicine gradually as a topic to be explored. Its purpose is to improve on this