Chronic histiocytic intervillositis (CHI) is associated with severe and recurrent obstetrical complications. A link between anti-HLA Antibodies (Ab) and CHI has recently been established. At the Etablissement Français du Sang (EFS), donors who have already given birth once and have high levels of anti-HLA are excluded from donating apheresis platelets and therapeutic plasma to prevent TRALI (Transfusion Related Acute Lung Injury). No studies have examined the obstetrical history of these donors. The question is: is there an association between anti-HLA levels and obstetrical complications?
Age range
18 Years
Sex
FEMALE
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To measure the association between the occurrence of obstetrical complications and the level of anti-HLA Ab measured during the screening test performed by the EFS.
Timeframe: 2 months