Hypertensive disorders of the pregnancy represent a major cause of maternal and fetal morbidity and mortality worldwide. Immediate and future complications are already well known, but recently gestational hypertension emerged as an equally serious risk factor for future maternal health. This article so offers a review of knowledge and recent changes about the diagnosis, treatment and long-term follow-up of hypertensive troubles of the pregnancy which are useful to know for the general practitioner. It also describes the ambulatory follow-up that has been implemented in the University hospitals of Geneva.