A 28-year-old pregnant woman at 22 weeks' gestation presents with a swollen, painful left calf. She has no haemodynamic compromise. Wells score suggests DVT is likely. According to NICE VTE guidance, which is the most appropriate initial management?AStart a direct oral anticoagulant such as Rivaroxaban.BStart low molecular weight heparin and arrange same-day compression ultrasound of the leg.CObserve without treatment until ultrasound is available the next day.DStart warfarin with target INR 2.5.EUse aspirin alone for thromboprophylaxis.Check my answer