Compared with the control group, the observation groupThe proportion of pregnant and lying-in women is relatively high，They were 29.2% in the mild PE group and 20.6% in the severe PE group; the cesarean section rate was extremely high, 70.1% in the mild PE group and 94.2% in the severe PE group; and the therapeutic preterm delivery rate was extremely high 55.0% in the severe PE group. See Table 1 for specific data.

The incidence of hypothyroidism during pregnancy and intrahepatic cholestasis of pregnancy (ICP) in the mild PE group (26.9% and 10.5% respectively), the incidence of hypothyroidism during pregnancy and the incidence of ICP in the severe PE group (respectively 23.9%, 9.3%) were significantly higher than those of the control group (17.5%, 3.5%, respectively, P<0.05 or P<0.01); the incidence of placental abruption in the severe PE group (3.8%) was significantly higher than that of the control group (0.6%) , P<0.01); the incidence of gestational diabetes (GDM) in the mild PE group (41.8%) was significantly higher than that of the control group (30.0%, P<0.01); the incidence of umbilical cord around the neck (17.6%) in the severe PE group was significantly lower than The control group (25.1%, P<0.01); the incidence of premature rupture of membranes (12.7% in the mild PE group and 8.8% in the severe PE group) was significantly lower than the control group (27.0%, P<0.01).There was no significant difference in the incidence of scarred uterus and hyperthyroidism between the mild and severe PE groups and the control group (P>0.05, Table 2).

Compared with the control group, the observation group has a higher incidence of low birth weight and less than gestational age infants. Among them, the mild PE group was 23.1% and 7.5%, and the severe PE group was 43.3% and 22.1%; severe PE The incidence of stillbirth in the group (7.3%) was significantly higher than that of the control group (0.7%, P<0.01). See Table 3 for specific data.

The pregnancy outcome of PE patients was significantly worse than that of normal pregnant women during the same period.As the pathogenesis of PE is not yet fully understood, in order to improve the health of pregnant women and newborns, and reduce the incidence of complications, prenatal examinations and health care during pregnancy in relatively backward areas should be increased, which is conducive to early detection and Intervene in hypertension during pregnancy to prevent serious adverse pregnancy outcomes.At the same time, obstetricians should pay more attention to PE to achieve early diagnosis and early treatment. In addition, prenatal education about PE should be strengthened for patients with PE who have been diagnosed.

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