方法剖宫产孕妇77例分为正常足月妊娠36例（A组），轻度子痫前期患者24例（B组）和重度子痫前期患者17例（C组）。

Methods Of 77 pregnant women undergoing Ceasarian section, 36 cases were normal pregnant women(group A), 24 cases were diagnosed with mild PE(group B) and 17 cases were with severe PE(group C).

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⑶重度子痫前期组SRAPI、RI和S/D值较对照组及轻度妊高征组、轻度子痫前期组均明显升高，具有显著性差异（P〈0.01）。

The group of severe preeclampsia SRA PI, RI and S/D values than the control group and the mild and moderate PIH group were significantly higher, the difference was significant(P<0.01).

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结果170例妊高症产妇中，妊娠期高血压和子痫前期(包括轻度和重度)分别占70.6%、29.4%。

Results The gestational hypertension and pre-eclampsia (including mild and severe) were accounted for 70.6% and 29.4% among 170 cases.

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