Clinical Research Directory

Inclusion Criteria: * pregnant women older than 18 years, * patient with social security or health insurance, * from the 24th week of amenorrhea, * patient who has given her consent, Exclusion Criteria: * Maternal pathologies pre-existing pregnancy : * diabetes-like vascular disease, * arterial hypertension, * known prothrombotic pathology, history of venous thrombosis or pulmonary embolism, * maternal serology HIV+, BHV+, CHV+ and syphilis, * Pregnancy and fetal pathologies : * pre-eclampsia, * delayed growth in utero (can affect placental circulation), * gestational diabetes without insulin, * fetal malformation, * known genetic pathology, * Patient under tutorship or curatorship, or not speaking french, * Patient who has not given her consent