A 29-year-old woman at 38 weeks' gestation with pre-eclampsia with severe features (blood pressure 170/115 mmHg, headache, visual disturbance) presents to the labour ward. What is the most appropriate immediate management?AStart oral labetalol and observeBAdminister magnesium sulphate and intravenous antihypertensives and plan for expedited deliveryCProvide bed rest only and reassess in 24 hoursDDelay delivery until 40 weeks' gestationETreat with high-dose oral nifedipine alone and discharge homeCheck my answer