Gestational age between 24 0/7 and 36 6/7 weeks' gestation
Hospitalization for non-severe pre-eclampsia (non-severe hypertension = Systolic blood pressure between 140 and 160mmHg, diastolic blood pressure between 90 and 110mmHg associated with one of these: proteinuria \>=300mg/24h/thrombocytopenia 100-150G/L/central symptoms such as headache responding to standard analgesics/hyperreflexia without clonus/decreased fibrinogen/haptoglobin \<0.1/utero-placental dysfunction with IUGR and/or umbilical Doppler Class II)
Maternal age \>18 years
Good comprehension of French allowing easy understanding of the information protocol and the consent form
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Chronic hypertension
Renal disease
Pre-pregnancy diabetes
Autoimmune disease (SAPL, SLE, Sjögren)
Severe PE (Systolic blood pressure \>160mmHg, diastolic blood pressure \>140mmHg, hepatic cytolysis at twice the norm, right hypochondrium or epigastric pain, central symptoms such as clonus or headache resistant to usual treatment or disturbed consciousness, thrombocytopenia \<100G/L, acute pulmonary edema, renal failure defined by doubling of baseline creatinine value or creatinine \>97 micromol/L)
Suspected fetal anomaly or malformation
HELLP syndrome
Eclampsia attack
Pathological fetal monitoring
Known maternal upper limb vascular anomaly
Severe maternal cardiac pathology
Maternal history of deep vein thrombosis of the upper limb
