Current Surveillance Skip to section menu The studies currently being conducted through UKOSS are: Amniotic Fluid Embolism Cirrhosis in Pregnancy High Neuraxial Block in Pregnancy Near-Miss Suicide in Pregnancy Fontan and Pregnancy Impacted Fetal Head at Caesarean Section Peripartum Hyponatraemia in Pregnancy Diabetic Ketoacidosis (DKA) in Pregnancy Posters UKOSS Current Studies Poster - April 2019 UKOSS Case Definitions Poster - April 2019