[Methods of blood pressure measurement during pregnancy].

Hypertension during pregnancy is associated with high perinatal morbidity and mortality. The prevalence of white coat hypertension is high during pregnancy and is associated with a good prognosis and must be excluded. The definition of hypertension during pregnancy is office BP≥140/90mmHg and ≥135/85mmHg with home BP and diurnal ambulatory BP. How to use HBPM during pregnancy? To get an adapted and validated BP humeral device during pregnancy; to use it in good conditions with the "3 rules". When to use HBPM during pregnancy? To confirm the diagnosis of hypertension; to monitor BP during pregnancy and to alert the obstetrician when severe hypertension occurs; to manage BP treatment and avoid excessive treatment. HBP and ABP monitoring may be used to exclude white coat effect but HBPM must be preferred when prolonged use.