A 28-year-old woman presents with 7 weeks of amenorrhoea, lower abdominal pain and vaginal spotting. She is haemodynamically stable. A urine pregnancy test is positive. What is the most appropriate next step in management?AReassure and review in 2 weeks as threatened miscarriageBArrange a routine dating ultrasound scan at 12 weeksCRefer urgently to early pregnancy assessment unit for transvaginal ultrasoundDStart oral Progesterone support in the communityEDischarge with advice to attend A&E if pain worsensCheck my answer