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对５２６例孕妇孕期红细胞压积（ＨＣＴ）测定的结果发现：正常孕妇分娩前１～３周ＨＣＴ较前明显增高；分娩较预产期推迟１周以上者，３７～４０周的ＨＣＴ较４１周前分娩者低，但大部分在临床产前仍有ＨＣＴ的上升；妊高征孕妇３４周前ＨＣＴ较正常孕妇高。但３７周后两组差别不显著。妊娠合并血清谷丙转氨酶增高者各孕期ＨＣＴ均较正常孕妇高。因此，于妊娠中期和足月后各给孕妇测定１次ＨＣＴ，对于及早发现和治疗妊娠并发症、估计分娩时间及指导计划分娩等有十分重要的意义。
The results of HCT determination in 526 pregnant women during pregnancy showed that the HCT in normal pregnant women was significantly higher than that in the first 3 weeks before giving birth; the delivery rate of HCT in 37 to 40 weeks was 41 weeks earlier than the expected delivery date , But most of them still have HCT rise in clinical prenatal period. HCT in pregnant women with PIH is higher than that in normal pregnant women before 34 weeks. However, after 37 weeks the difference between the two groups was not significant. Pregnancy with elevated serum alanine aminotransferase HCT during pregnancy are higher than normal pregnant women. Therefore, in the second and third trimester of pregnant women to give each determination of HCT once, for the early detection and treatment of pregnancy complications, estimated delivery time and plan delivery is of great significance.