July 2019: Changes have been made to align this quality standard with the NICE guideline on hypertension in pregnancy. Statement 2 has been amended to reflect the recommended dose of aspirin for pregnant women at increased risk of pre-eclampsia. The blood pressure target in statement 3 was changed for pregnant women taking antihypertensive medication, in line with the updated guideline. In statement 5 the criteria for hospital admission and frequency of monitoring were changed. In statement 6 the involvement of a senior obstetrician in decisions on the timing of birth for women with pre-eclampsia was highlighted. References and links to source guidance have also been updated.