Incidence and Risk Factors of Hypertensive Disorders of Pregnancy-8 Provinces, China, 2014-2018

What is already known about this topic? As a major cause of maternal and neonatal mortality and morbidity, hypertensive disorders of pregnancy (HDP) are a global public health problem affecting maternal and children's health. What is added by this report? The incidence of HDP was 6.40% among 277,632 pregnant women. With the progress of pregnancy, the proportion of pregnant women with high normal blood pressure (BP) and the incidence of HDP increased gradually. The incidence of HDP increased with pregnancy age, body mass index, and BP of pregnant women during first trimester. What are the implications for public health practice? To reduce the incidence of HDP effectively, we should pay more attention to older women who plan to become pregnant, measures should be taken to control BP and weight in pre-pregnancy.

Automated summary

This study demonstrates that the incidence of hypertensive disorders of pregnancy increases gradually with the age, body mass index, and blood pressure of pregnant women in the first trimester. To reduce the incidence of hypertensive disorders effectively, more attention should be paid to older women planning to become pregnant, and measures should be taken to control blood pressure and weight before pregnancy.