Postnatal Enalapril to Improve Cardiovascular fUnction Following Preterm Pre-eclampsia

Inclusion Criteria: * Diagnosis of pPE in this pregnancy requiring delivery \< 37 weeks gestation: new or worsening hypertension \>20 weeks with proteinuria or other features suggestive of PE (abnormal haematological, biochemical parameters, fetal growth restriction (FGR) and/or abnormal sFlt:PlGF (\>85)). * Biochemical / haematological cut-offs: * Platelet count \<100 x109/L * Alanine amino transferase \> 50units/L * Creatinine \>90mmol/L * FGR: * Abdominal circumference (AC) / estimated fetal weight (EFW) \<3rd centile * Or 2 of the following: * AC/EFW \<10th centile * AC/EFW crossing centiles by \>2 quartiles * Cerebroplacental ratio \<5th centile * Umbilical artery PI \>95th centile * At time of randomisation: * Postpartum, within 3 days of delivery * Aged 18 years or over * Able to provide informed consent * Serum creatinine \<100 mmol/l Exclusion Criteria: * Inability to consent * Known cardiac disease * Contraindication to ACE inhibitors * Renal artery stenosis