Management of hypertension before, during, and after pregnancy.

Correspondence to: Dr Catherine Nelson-Piercy, Department of Obstetrics, Guys and St Thomas’ Hospitals, North Wing, St Thomas’ Hospital, Lambeth Palace Road, London SE1 7EH, UK; catherine.nelson-piercy@ gstt.sthames.nhs.uk _________________________ H ypertension is the most common medical problem encountered in pregnancy and remains an important cause of maternal, and fetal, morbidity and mortality. It complicates up to 15% of pregnancies and accounts for approximately a quarter of all antenatal admissions. The hypertensive disorders of pregnancy cover a spectrum of conditions, of which pre-eclampsia poses the greatest potential risk and remains one of the most common causes of maternal death in the UK.