这些孕妇之临床表现，年龄，妊娠周数，危险因子，临床病程，放射线检查之结果，实验室检查之数据，治疗过程与怀孕结果，皆由病例纪录得到完整之资料。

The clinical features, maternal age, gestational age, risk factors, clinical courses, radiographic findings, treatment, laboratory data, and the pregnancy outcomes were reviewed by medical records.

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