1. From the Hypertension Centre (A.D., B.P., M. Boulvain, O.I., A.P.-B.), Service of Nephrology (B.P.), Department of Medical Specialties, and Service of Obstetrics (A.D., O.I., M. Boulvain), Department of Gynaecology and Obstetrics, University Hospitals of Geneva, Switzerland; and Service of Nephrology and Hypertension, Department of Medicine (G.W., M. Burnier) and Service of Obstetrics (Y.V.), Department of Gynaecology and Obstetrics, Lausanne University Hospital, Switzerland.