目前仍认为慢性高血压是妊娠的高发风险之一,原因在于伴发的先兆子痫不仅可带来许多产科并发症,同时还增加围产儿发病率及死亡率。为此随访了1987～1991年加拿大魁北克蒙特利尔市298例慢性高血压妇女的337次妊娠情况,对其预后进行评估。妊娠20周以前或产后6周,收缩压及舒张压>140/90mmHg作为判断高血压的标准。收缩压、舒张 Chronic hypertension is still considered one of the high risk of pregnancy, because associated pre-eclampsia not only brings a lot of obstetric complications, but also increase perinatal morbidity and mortality. For this purpose, 337 pregnancies in 298 women with chronic hypertension from Montreal, Quebec, Canada, 1987-1991 were followed up and their prognosis was assessed. Systolic blood pressure and diastolic blood pressure> 140 / 90mmHg were used as the standard for determining hypertension before or 20 weeks after gestation. Systolic pressure, diastolic